Alloy Mandrel 7/8 OD, Compatible with Manufacturer Model Number 63325, 63331, Compatible with Grainger Part Number 63325, 63331, Material Alloy, Conduit/Tubing Size - Maximum 1 in, Accessory Type Alloy Bending Mandrel, Compatible with Brand Yellow Jacket, Compatible with Product Type Alloy Ratchet Tube Bender Kit, Deluxe Alloy Ratchet Tube Bender Kit, Features Ball-Detent Feature, Bend 3/4 in Tube to 90 Degrees in Less than 10 Seconds, Color Coded