The Eastwood 24" Slip Roll is a professional metal fabricators tool which is indispensable for producing accurate bends, cylinders, and conical shapes for virtually all metal working projects. In addition, the upper and rear rollers feature grooves in 3 popular sizes for forming curves in wire and tubing. The gear driven design delivers maximum forming power with minimal handle force. Product Features: Roller length: 24" Roller diameter: 1.5" Minimum forming radius : (22 gauge steel) 1.5" Maximum material working thickness: (steel) 18 gauge Maximum material working thickness: (aluminium): 16 gauge Wire forming sizes: 3/16", 1/4", 5/16"