Quick-Grip, 2" Variable Pressure Handi-Clamp, C-Clamp Style Jaws With Non Marring Swivel Pads, Variable Force Controlled With User's Grip, The Tighter You Squeeze The More Clamping Pressure Is Applied, Locks In Position, Quick Release Trigger Removes Clamp From Work, 1 Hand Operation, Durable Glass Filled Nylon Construction.