Tactical S-Lock for Swivel Series Harris Bipod Caldwell Pivot Model Bipod Features: l Firmly fits all the S-(Swivel) Series Harris Bi-pods and Caldwell Pivot Model Bi-pods and replaces the tension adjusting knob for an easy and secure control l Made of Steel and Aluminum, Not Plastic l Easy to install and easy to adjust with ratchet abilities l Ultra lightweight 1.2 oz, Includes optional black metal spacer l Make it easy to adjust the level of your Harris Bi-pod with this S-Lock Specification: l Material: Aluminum Alloy l Color: Black l Applicable Model: for Swivel Series Harris Bipod Caldwell Pivot Model Bipod Package: l 1x Tactical S-Lock