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4" X 4" X 48" Post

$18.75

Weatherables

Stylish Design · Superior Quality and Construction · black · steel

Mail Boss 7121, Black In-Ground …

Arkla/Sears In-Ground Post | 4" …

$79.96

GrillPartsSearch.c…

2 Pcs Mail Post Extender Bracket …

$31.02

eBay

Free shipping

Pasimy 2 Pack Mail Post Extender Bra…

$15.99

Amazon.com

5.0

4 in. X 4 in. X 39 in. Clay Vinyl Post

4in X 4in X 1/4in Wall Steel Squar…

$121.51

eBay

Raco Drawn 4 in. X 4 in. Square Box …

$3.00

Mc Mu

Freedom 4-In X 4-In X 4-Ft White Viny…

$20.32

Lowe's

4.0

YEOOE 4X4 Post Base, Deck Post …

$45.99

Amazon.com

5.0

Fmhotu 4"X 4" Post Base, 4Pcs Stainl…

CRL Matte Black Standard 4" X 4" …

$175.07

DkHardware.com

[Fixings Direct] 100mm (4") Fenc…

$189.28

Everymarket INC

7' Amish Handmade PVC 4X4 Post | Bi…

Bluelinx 4"X4"X10' PRESS TREATE…

$26.88

DkHardware.com

4X4 Post Base, 4Pcs Post Bracke…

$34.99

Amazon.com

Deckorators 4-In X 4-In X 4-Ft Brown …

$33.31

Lowe's

4.0

4 in. X 4 in. X 6 ft. White Vinyl Squar…

7' Amish Handmade PVC 4X4 Post | Bi…

Bluelinx 4"X4"X10' PRESS TREATE…

$26.88

DkHardware.com

4X4 Post Base, 4Pcs Post Bracke…

$34.99

Amazon.com

Deckorators 4-In X 4-In X 4-Ft Brown …

$33.31

Lowe's

4.0

4 in. X 4 in. X 6 ft. White Vinyl Squar…

4 Pcs 4"X4" Fence Post Anchor,(Inne…

$44.99

Amazon.com

4.5

Deckorators 4-In X 4-In X 4-Ft Textur…

$130.09

Lowe's

Myard PS446-W 4X4x6 Inches Pos…

$33.55

Amazon.com

FUCNEN 4 X 4 Post Base 4 Pcs Squar…

$52.89

Amazon.com

4.5

4 Pcs 4"X4" Fence Post Anchor Grou…

6Pcs Adjustable 4X4 Pergola Post …

$25.99

Amazon.com

4.5

44" Height Ultra Post Kit 4" X 4" F…

$143.88

Wholesale Millwork

2 Pcs 4"X4" Fence Post Anchor,(Inne…

Trex 4-In X 4-In X 4-Ft Charcoal Blac…

$39.98

Lowe's

Showing 1 - 36 out of 179 results for "4x4 post extensions"
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  Post Extender 4" X 4"
  $11.16
  D
  David Musson Fencing
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  LINX 4 in. Tetrafit Black Steel Exten…
  $140.00
  E
  eBay
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  Pasimy 4 Pack Mail Post Extender …
  $25.99
  A
  Amazon.com
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  Customized Pergola Structure Exte…
  $0.59
  A
  Alibaba.com
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  Woodmate 44241 Outdoor Pergola …
  $41.98
  Arizona Shop
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  EPB44A 4 X 4 Elevate Post
  $22.54
  Walmart
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  Elevated Pergola Bracket Kit Heavy …
  $22.74
  A
  Alibaba.com
  Free shipping
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  5-Way/Arm Pergola Structure Exten…
  $0.59
  A
  Alibaba.com
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  Wpbhk 2Pcs Heavy Duty Pergola C…
  $17.99
  A
  Amazon.com
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  5-Way/Arm Pergola Structure Exten…
  $3.00
  A
  Alibaba.com
  Free shipping
11. Saved
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  SALE
  44" Height Ultra Post Kit 4" X 4" For …
  $143.88
  $205.54
  W
  Wholesale Millwork
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  Yankall Mail Post Extension Bracket…
  $25.99
  A
  Amazon.com
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  SALE
  5
  ·
  2
  5
  2 ratings
  44" Height Complete Post Kit 4" X 4…
  $94.70
  $135.28
  W
  Wholesale Millwork
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  4" X 4" X 45" Post
  $19.79
  W
  Weatherables
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  5
  ·
  8
  5
  8 ratings
  2 Pcs 4"X4" Post Base Brackets Thi…
  $39.43
  E
  eBay
  Free shipping
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  4.2
  ·
  11
  4.2
  11 ratings
  4 in. X 4 in. X 4-1/2 ft. Cedar Doubl…
  $48.37
  H
  Home Depot
  Free shipping
17. Saved
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  4-Way Extension Pergola Bracket/B…
  $1.88
  A
  Alibaba.com
  Free shipping
18. Saved
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  Pylex Black Steel Post Connector F…
  $61.42
  S
  Super Arbor
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  4.6
  ·
  404
  4.6
  404 ratings
  Z-Max 4X4 Post & Beam Connector…
  $7.50
  E
  eBay
20. Saved
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  Used
  4.7
  ·
  21
  4.7
  21 ratings
  New, Pro'wood 4 in. X 4 In., Nomina…
  $16.99
  E
  eBay
  Free shipping
21. Saved
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  38" Height Ultra Post Kit 4" X 4" For …
  $141.04
  W
  Wholesale Millwork
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  Used
  4 Psc 4 Inch X 4 Inch Post Base Su…
  $35.00
  E
  eBay
  Free shipping
23. Saved
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  4.8
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  12
  4.8
  12 ratings
  Extend-A-Post T-Post Extension - V…
  $160.00
  E
  Etsy
  Free shipping
24. Saved
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  3.5
  ·
  6
  3.5
  6 ratings
  4 in. X 4 in. X 4-1/2 ft. Cedar-Tone …
  $40.01
  H
  Home Depot
  Free shipping
25. Saved
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  Vinyl/Pvc 4"X4" Posts/Post Sleeves
  $52.99
  E
  eBay
  Free shipping
26. Saved
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  Used
  Steelmaster 36in X 4x4in Ground P…
  $64.29
  E
  eBay
  Free shipping
27. Saved
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  4" X 4" X 6' Post
  $27.99
  W
  Weatherables
28. Saved
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  4" X 4" X 24" Post Support
  $15.99
  M
  Menards.Com
29. Saved
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  4" X 4" X 38" 3 Way Post
  $21.28
  B
  Buy Direct Vinyl Fence
  Free shipping
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  5
  ·
  3
  5
  3 ratings
  4"X4" Pressure Treated Wood Post …
  $7.00
  Etsy
31. Good Deal
  Saved
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  4.8
  ·
  187
  4.8
  187 ratings
  No-Dig Permanent 4 in. X 4 in. X 4 f…
  $79.99
  H
  Home Depot
  Free shipping
32. Saved
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  Wood Fence Pergola Post Base Bra…
  $0.90
  A
  Alibaba.com
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  4X4 Post Base 8 Pack Heavy Duty …
  $86.73
  E
  eBay
  Free shipping
34. Saved
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  4.7
  ·
  7
  4.7
  7 ratings
  4 in. X 4 in. X 7 ft. Vinyl Fence Line …
  $38.87
  H
  Home Depot
  Free shipping
35. Saved
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  4.8
  ·
  6
  4.8
  6 ratings
  4 in. X 4 in. X 7 ft. Tan Vinyl Fence …
  $45.71
  H
  Home Depot
  Free shipping
36. Saved
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  Waddell Manufacturing 226 Waddel…
  $26.37
  E
  eBay
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Vlaeng Pergola Kit 4X4(Actual: 3.64"…
$119.99
Amazon.com
Free shipping
4"X4" Pressure Treated Wood Po…
$7.00
Etsy
5.0
·
21
Fmhotu 4X4 Post Base 3Pcs,Heav…
$22.54
$7.51 / 1 ct
Amazon.com
5.0
·
5
Wpbhk 4Pcs Heavy Duty Pergola Cor…
$59.99
Amazon.com
5.0
·
6
Freedom 4-In X 4-In X 3-Ft Silver Com…
$47.98
Lowe's
5.0
·
9
4" X 4" X 7' Post
$36.71
Weatherables
Eapele 4X4 Wood Fence Post Anch…
$49.99
Amazon.com
4.5
·
536
Nrspp 4X4 Post Base, 8 Sets Pos…
$60.99
$7.62 / 1 ct
Amazon.com
4.5
·
181
Curbside
Trex 4-In X 4-In X 4-Ft Saddle Compo…
$39.98
Lowe's
4.0
·
321
Curbside
Deckorators 4-In X 4-In X 4-Ft White …
$39.98
Lowe's
4 Pack 24'' Fence Post Anchor Grou…
$49.90
$12.48 / 1 ct
Amazon.com
4.5
·
1K+
5% Off*
VEVOR Fence Post Extender 8 Packs …
$54.90
VEVOR
4X4 Post Base, 6 Pcs Post Bracket…
$56.99
Amazon.com
4.0
·
34
Curbside
Deckorators 4-In X 4-In X 3-Ft Black …
$54.98
Lowe's
4.5
·
36
4 PCS Half Post Base, Fit 4 X 4 Po…
$35.34
eBay
Free shipping
Mail Boss 7120, Granite In-Groun…
$70.04
Amazon.com
5.0
·
1K+
5% Off*
VEVOR Fence Post Extender 12 Pack…
$69.90
VEVOR
Antsky Pergola Brackets 4X4 (Act…
$139.00
Amazon.com
4.5
·
11
Fmhotu 4X4 Post Base 5Pcs,Heav…
$28.48
Amazon.com
5.0
·
5
Weatherables 4X4 Post Sleeve - We…
$38.87
Amazon.com
4.5
·
459
- 4x4 Post Extensions | Home Supplies At Amazon
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  SponsoredGet deals and low prices on 4x4 Post Extensions at Amazon. Choose from a wide range of building materials, available at Amazon. Order today!
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