10 In 1 8-50mm Diamond Tool Bit Glass Tile Hole Opener Set

Description:
1. Material: nickel plating
2. Pitch diameter: 8mm / 0.31", 10mm / 0.39", 12mm / 0.47", 14mm / 0.55", 16mm / 0.63", 18mm / 0.71", 20mm / 0.79", 22mm / 0.87", 25mm / 0.98" , 50mm/1.97"
3. Advantages: grinding does not collapse, fast, sharp, wear-resistant
4. Function: suitable for drilling holes in glass, ceramics, floor tiles, etc.
5. Packing: 1 set of diamond hole saws (10 pieces) (8,10,12,14,16,18,20,22,25,50mm)