These RIDGID Top Screw Bench Chain Vices are fitted with a crank handle that is firmly anchored to the base of the vice. It also features a pipe rest and bender. The heavy-duty cast iron base has jaws especially designed for gripping and bending pipes. RIDGID BC410 Top Screw Bench Chain Vice Capacity 6-100mm (1/8 - 4in). Weight 6.7kg.