Features Stable Fixation: The Multiple Disc Clutch Design Includes A Hardened Plated Steel Clutch Disc And A Spring And Rubber Collet, Which Allows The Sliding Head to Be Firmly Fixed at Any Point Along The Rod. Easy Operation: Single Hand Release F Clamp Adopts A New Grip And Trigger Design, Which Is Simple And Can Be Operated by One Hand. The Handle Is Comfortable to Hold. Press The Quick Release Button to Slide The Arm to The Required Length. Quick Adjustament: The Effective Clamp Range Is 830 Mm. Adopts A Clamping Design And Adds A Rubber Covering Chuck to Make The Clamp More Firm. Press to Adjust The Clamping Distance Quickly And Freely, And The Clamp Can Also Be Removed Quickly, Aluminum Alloy Material: Made of Premium Aluminum Alloy Material, This Clamping Tool Is Strong And Sturdy, Lightweight, Not Easy to Bend, Reliable For Long Term Use. Suitable for: This Woodworking F Clamp Is Very Suitable for Amateurs, Carpenters, Metal Workers And All Types of Professionals. Specification: Item Type: Woodworking F Clamp Material: Aluminum Alloy Effective Clamping: Approx. 830mm / 32.7in Clamp Head Length: Approx. 40mm / 1.6in Clamp Head Width: Approx. 40mm / 1.6in Package List: 1 x F Clamp Package List 1 x F Clamp