manheten-shop Welcome To Manhattan-Shop Item Description Drillpro DB-HS1 15pcs 6-50mm Diamond Hole Saw Drill Bit Set Tile Ceramic Glass Porcelain Marble Drill Bits Brand: DrillproModel: DB-HS1Material: steelShank Diameter: About 5-8mmSize: 6 - 50mm/0.23"-1.97" 6mm/0.23", 8mm/0.31", 10mm/0.39", 12mm/0.47", 14mm/0.55", 16mm/0.62", 18mm/0.7", 20mm/0.79", 22mm/0.87", 25mm/0.98", 26mm/1.02", 28mm/1.10", 30mm/1.18", 40mm/1.57", 50mm/1.97" Quantity: 15 pcs Features:--This diamond coated core drill bit removes a complete circle from glass, tiles, marble, ceramic.But it can't use on granite and metal.- It only needs water for lubrication. --Always use lubrication (water), otherwise the diamond core drill will burn.--Can be used with a standard electric drill.--Start your hole diagonally, make a round trace and then hold drill straight. Use note:1. Start your hole diagonally, make a round trace and then hold drill straight.2. Always use lubrication (water), otherwise the diamond core drill will burn. Package Included:1 Set x Diamond Tile Hole Saw(15Pcs) Payment We accept payment only through PayPal Shipping We will ship the item worldwide within 4 business days after PayPal payment confirmation & verification. Items will be shipped to your address registered with PayPalCustoms fees, tax or vat or any delay with the country regulation will be the buyer responsibility. Return policy We accept returned items within 30 days - buyer will be paying for shipping charges Feedback Best Service Fast Shipping High Quality