ITEM SHIPPED FROM OVERSEAS TO NZ. DELIVERY 2-4 WEEKS. Most parcels arrive around 2-3 weeks however due to disruptions maybe delayed

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Description: 14pcs 3-70mm Diamond Hole Saw Tile Ceramic Glass Porcelain Marble Drill Bits Set Specifications: Material: Diamonds Shank Diameter: About 5-8mm Length: 50mm/1.96“ Drilling Size: 3/5/6/8/10/12/16/18/20/30/40/50/60/70mm Quantity: 14Pcs Features: --This diamond coated core drill bit removes a clete circle from glass, tiles, marble, granite, ceramic or other materials and 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. -Instructions for use: 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. 3. Glass drilling device is installed in the use of ordinary hand drill (electric drill to speed better), because this hole is not the central positioning of the drill bit, be careful when operating, let the hole at a slow slow access to glass Useless side of the hole out of a crescent, and then put a bit i