Grinding Wheels Head, Grinding Head, Simple Convenient for Installation Lightweight and Portable, Polishing Tool Anti-Corrosion for Glass Home (12 Pcs Set) Description :- Made of high quality metal and rubber material, anti-corrosion and high strength for maximum durability. Good grinding effect, simple and convenient for installation. Including 12pcs grinding head of the package. Used for all kinds of mold, glass, jade, stone and hard objects grinding. Practical accessory for grinding machine, making your jewelry shinning Distinctive sintering technology, perfect mosaic shank and grinding, not falling. Designed with cylindrical head and metal shank. Uses: mainly used DIY grinding, polishing / jade, jade, wood, metal, power tools matching. Dimension :- Volu. Weight (Gm) :- 52 Product Weight (Gm) :- 38 Ship Weight (Gm) :- 52 Length (Cm) :- 13 Breadth (Cm) :- 8 Height (Cm) :- 2