Workpro 101-Pieces Sanding Discs Set, 2 Inch Discs With 1/4 Inch Holder, Surface Product Details ?Value Kit?The 2 inch discs set comes with two 1/4'' holders, 15 non-woven discs (coarse/medium/fine), 64 aluminum oxide discs (40#/60#/80#/120#/180#/240#), 15 zirconium oxide discs (60#/80#/120#), two mini flap disc (40#), two black sanding discs and one wool disc. The product quantity and grits are indicated on separated packing bags. ?High Performance?These sanding discs combine premium quality sanding grains(aluminum oxide/zirconium oxide/non-woven aluminum oxide/SiC/wool) with strong, high toughness shank base, long last with high abrasive resistance. They can operate up to 23000 RPM. ?Wide Applications?Various surface conditioning discs are excellent for using on surfaces of carbon steel, stainless steel, alloys, iron, non-ferrous and other nonmetal materials like wood, glass, ceramics, stone. Wide used in shipbuilding, car building, aviation, and machinery. ?Easy to Install?These discs have unique safety torque screw, the connection between sanding disc and rubber holder get firm when rotating, ensuring steady working and no fall out. Just twist it to remove or connect, convenient and efficient. ?High compatibility?There are two 2-inch rubber backing pads in the set, which can be attached to any 1/4 inch power drill, air grinding tool, or die grinder. Great for most surface prep works like strip, burr removal, grind, polish, inverted circle and mirror and so on. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.