C. Sherman Johnson Anchor Chain Claw-Hook Tensioners. 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. Specifications for C. Sherman Johnson Anchor Chain Claw-Hook Tensioner: Manufacturer: C. Sherman Johnson Line Application: Anchor Fabric/Material: Steel Color: Silver Package Contents: C. Sherman Johnson Anchor Chain Claw-Hook Tensioner C. Sherman Johnson 46-450: Anchor Chain Claw-Hook Tensioners