Feature●【MATERIALS】Polishing bits are made of premium compressed wool felt & metal, great for polishing/buffing●【DETAILS】Cone shape polishing bits have 3 different size: 8mm,10mm,12mm, shank diameter is 2.35mm(3/32inch)●【FEATURE】There is 3/32 inch shank polishing bits Used with electric drills, rotary tools and pneumatic power tool●【APPLICATION】Used for buffing, grinding and polishing to make the polished goods cleaner and brighter●【PACKAGE CONTENT】30 Pieces cone shape compressed wool felt polishing bitsDescription