Shark Clamps Fast Clamping Action. Comes in two different models: a Straight Handle for light duty and wood working jobs, and a T-Handle for heavy duty high pressure clamping. * - Quick Acting Button * - Precise scissor action clamping * - Pivoting Hinge Pads Strong Hand© Shark Clamps The fast-acting, patented "scissor-action" clamp with the Quick Acting Button. Press and hold the button while moving the handle, and the jaws will slide open and close for a super-fast workholding setup. SC65 * T-Handle 1000 lbs (455 Kg) 6" (150 mm) 2.5 lbs