Description: The cut-off wheel screw mandrel is used with cut-off wheels, fit for compatible rotary tools.Suitable for small grinding discs or resin cutting sheets with a center hole diameter of 3.0mm.Also for use with sandpaper, polishing papers, or other cloth-based abrasives.Ideal accessories for cut-off wheel of grinding, debarring, cutting sheet metal and non-metal. Specification: Color: Silver ToneThread Size: M3*4.8mmShank Diameter: 3mm / 0.12inchTotal Length: 35mm / 1.38inchMaterial: Nickel Plated Carbon Steel Package Content: 5 x Cut-off Wheel Screw Mandrels.