JINGLING 4mm Diamond Grinding Bits Thin …
JINGLING 30Pcs 4mm Diamond Grinding Bits Super-Thin T Head Lapidary Carving Tools Code 40K*2.35mm Description: 4mm Thin Disc/T head diamond coated mounted points Tip Shape: T Head Flat Tip /Thin Disc Head Diameter: 4mm(5/32") Head Thickness: 0.5mm (Very Thin) Total Length: 45mm Shank Diameter: 2.35mm (3/32") Suitable for electric …