Grinding Needle Set Durable High Small Size Easy To Use For Household

Grinding Needle Set Durable High Small Size Easy To Use for Household Specification: Item Type: Grinding Needle Set Material: Grit Size: 150 Grit Shank Diameter: Approx. 3mm / 0.1in Length: Approx.45mm / 1.8in Grinding Tip Diameter: Approx. 1mm / 0in Package List: 1 x 1mm Grinding Needle Set30Pcs Note: 1. When installing the grinding tip the clamping clamp must be stable and there must be no jumping ! 2. The rotation speed is as high as possible generally requires a linear speed of not less than 1020 meters seconds! 3. This product is a 3mm handle please check the clamping range of the machine before buying!