Product Specification:Color: SilverQuantity: 16 Pieces Per SetHole Diameter: 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 22mm, 25mm, 28mm, 30mm, 35mm, 40mm, 45mm, 50mm (16 sizes)Easy to use, . Good performance, long lifeGreat for making clean and accurate holes on glass, tiles and marbleWorks better with an electric drill (except this item)When cutting hard materials, it is to keep the cutter cool to avoid damage to the drilled material and premature wear of the cutter. Using water as coolant/grease will significantly extend the life of these cutters. Package Included: 16pcs x Diamond Hole Saw Set Payment1) We accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow.2) payment must be made within 3 days of placing the order.3) if you are unable to check out immediately after the listing ends, please wait a few minutes and try again, payments must be completed within 3 days. Shipping1.