Locking C-Clamps Locking C-Clamp Max Opening 3-3/8 in Throat Depth 2-5/8 in Clamping Force Not Rated Nominal Clamp Size 11 in Number of Pieces 1 Swivel Pad No Not Tether Capable Overall Clamp Length 11 in Nickel Plated Steel Locking Mechanism Release Lever Screw Mechanism Adjusts Clamping Pressure Jaw Width 1/2 in Jaw Type C Clamp Patented Reduced Hand Span Design Hex Key Adjusting Screw