SPEEDJAW 5-in Ductile Iron Bench ViseRAPID OPENING Rapid open and close feature saves time with fast adjustability DURABLE STEEL JAWS Durable tool steel serrated vise jaws are replaceable and provide a secure, non slip grip 5 INCH JAWS 5 inch wide jaws open to a maximum of 5 1 4 inches with a 1 5 8 inch throat depth RATCHETING HANDLE Ratcheting handle allows fine adjustment and increased mounting options beyond the edge of a work bench DETACHABLE BASE MOUNT Unit clamps onto a 360 degree