IRWIN Record Hinged Pipe Vices are guaranteed against breakage with exceptional strength in load bearing areas. Single V-jaw in frame moves between two V-jaws in base to hold even the smallest pipe sizes securely. Self locking frame is reversible for right or left-hand operation. Replaceable Steel Jaws and can be fitted to bench and or stand.IRWIN Record 93.1/2C Hinged Pipe Vice. Pipe Capacity: 3 – 90mm (1/8 – 3.1/2in).