4" Diamond Wet Polishing Pad Disc Grit 300 10pcs for Granite Concrete Marble 20pcs These joining plates are made

These joining plates are made of stainless steel of good quality

or chain usually runs over the wheel and inside the groove

150mm stroke

2 x Door Magnetic Catch

-Strong elastic spring can hold the curtain stably

4" Diamond Wet Polishing Pad Disc Grit 300 10pcs for Granite Concrete Marble 20pcs These joining plates are made1. 4 inch Diamond Wet Polishing Pads with a Rubber Backer Pad. 2. Impregnated diamond powder and resin, Grinding force and polishing speed, with high finish, high wear resistance and long service life. 3. Use for Granite, Marble, Concrete, Tile, Stone, ect, is the suitable grinding and wet polishing tool. 4. Hook and Loop backed polishing pads for easy connect and removal, with water hole in center, color coded Hook and Loop backers to easily identify