5/16-18 x 1/2” Socket Head Cap Screw for Fastening 11 Hole 123 Blocks
$0.25
Utilize two of these 5/16-18 x 1/2” socket head cap screws to fasten two 11 Hole 123 block together in multiple configurations with no exposed hardware. Made from tough hardened alloy steel with a black oxide finish. WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
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