Anchor Chain Claw-Hook TensionerThe "Claw Hook" design features a shorter overall length. The claw design will grab 1/4", 5/16" and 3/8" chain. The toggled claw enables you to grab the chain quickly and easily. Two 1/4" mounting holes are provided in the base of the unit and the claw has 1-1/2" of finite adjustment. The overall length closed is adjustable between 11" and 13" with a 2-1/8" throw or quick release. The handle/lever is secured when closed with a ball type QR pin attached with a lanyard.