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Heavy Duty Post Stiffeners
4" x 4" Heavy Duty Post Stiffeners for 1 5/8" Post
KNR-HDP4158
Allows fast installation of vinyl posts to common steel fence posts. Reuse existing posts or drive new posts for fast, secure installation of PVC fence. Comes with bolt, nut, and washer.
1 5/8" round O.D pipe = KNR-HDP4-158
Other sizes are available as special order.
4" x 4" Heavy Duty Post Stiffeners for 1 7/8" (2") Post
KNR-HDP4178
Allows fast installation of vinyl posts to common steel fence posts. Reuse existing posts or drive new posts for fast, secure installation of PVC fence. Comes with bolt, nut, and washer.
1 7/8" round O.D pipe = KNR-HDP4178
Other sizes are available as special order.
4" x 4" Heavy Duty Post Stiffeners for 2 3/8" (2 1/2") Post
KNR-HDP4238
Allows fast installation of vinyl posts to common steel fence posts. Reuse existing posts or drive new posts for fast, secure installation of PVC fence. Comes with bolt, nut, and washer.
2 3/8" round O.D pipe = KNR-HDP4-238
Other sizes are available as special order.
4" x 4" Heavy Duty Post Stiffeners for 1 1/2" SQ Post
KNR-HDP415SQ
Allows fast installation of vinyl posts to common steel fence posts. Reuse existing posts or drive new posts for fast, secure installation of PVC fence. Comes with bolt, nut, and washer.
1.5" x 1.5" square = KNR-HDP415
Other sizes are available as special order.
5" x 5" Heavy Duty Post Stiffeners for 1 5/8" Post
KNR-HDP5158
Allows fast installation of vinyl posts to common steel fence posts. Reuse existing posts or drive new posts for fast, secure installation of PVC fence. Comes with bolt, nut, and washer.
1 5/8" round O.D pipe = KNR-HDP5158
Other sizes are available as special order.
5" x 5" Heavy Duty Post Stiffeners for 1 7/8" (2") Post
KNR-HDP5178
Allows fast installation of vinyl posts to common steel fence posts. Reuse existing posts or drive new posts for fast, secure installation of PVC fence. Comes with bolt, nut, and washer.
1 7/8" round O.D pipe = KNR-HDP5178
Other sizes are available as special order.
5" x 5" Heavy Duty Post Stiffeners for 2 3/8" (2 1/2") Post
KNR-HDP5238
Allows fast installation of vinyl posts to common steel fence posts. Reuse existing posts or drive new posts for fast, secure installation of PVC fence. Comes with bolt, nut, and washer.
2 3/8" round O.D pipe
Other sizes are available as special order.
5" x 5" Heavy Duty Post Stiffeners for 1 1/2" SQ Post
KNR-HDP515SQ
Allows fast installation of vinyl posts to common steel fence posts. Reuse existing posts or drive new posts for fast, secure installation of PVC fence. Comes with bolt, nut, and washer.
1 1/2" x 1 1/2" square = KNR-HDPS515SQ
Other sizes are available as special order.
5" x 5" Heavy Duty Post Stiffeners for 2" SQ Post
KNR-HDP52SQ
Allows fast installation of vinyl posts to common steel fence posts. Reuse existing posts or drive new posts for fast, secure installation of PVC fence. Comes with bolt, nut, and washer.
2" x 2" square = KNR-HDP52SQ
Other sizes are available as special order.
2 1/2 x 2 1/2 Heavy Duty Post Stiffeners for 1 5/8" Post
KNR-HDP25158
Allows fast installation of Aluminum posts to common steel fence posts. Reuse existing posts or drive new posts for fast, secure installation of Aluminum fence. Comes with mounting screw.
.08 Aluminum post wall thickness
1 5/8" round O.D pipe = KNR-HDP25158
Other sizes are available as special order.
Patent Pending! 1/19/24
4" x 4" Heavy Duty Post Stiffeners for 2" SQ Post
KNR-HDP42SQ
Allows fast installation of vinyl posts to common steel fence posts. Reuse existing posts or drive new posts for fast, secure installation of PVC fence. Comes with bolt, nut, and washer.
2" x 2" square = KNR-HDP42SQ
Other sizes are available as special order.
