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Anchor Tunnel

6" Diameter Polyethylene Anchor Tunnel - I-AT - Buy Now $2.50

Anchor Tunnel, 50 pack - I-AT50 - Buy Now $125.00

Spanner Wrench - I-ATW - Buy Now $12.95

The 6" diameter Anchor Tunnel securely holds your ½" bolt in place, allowing the concrete to flow to the exterior face of block producing a solid attachment point between the rim joist and the concrete wall.