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Locking Wheel Chairs



PA Insert is now offering Polylok brand Locking Wheel Chairs.  Polylok chairs lock in place and accommodates multiple sized bar. Be confident knowing that your rebar will stay where you place it. Use our 1”, 1½”, 2” and 3” chairs for all concrete work including precast, utility vaults, slabs, barriers, foundation work and bridges. Use one of our Polylok ratchet style chairs instead of three of the competitors.


1" Locking Wheel Chair

1-1/2" Locking Wheel Chair

2" Locking Wheel Chair

3" Locking Wheel Chair

Rebar Spacing Specification

2019 Certificate of Compliance

Locking Wheel Chair Testing Data