Glass Cutter, Glass Tool, Diamond Tool manufacturer / supplier in China, offering Wooden Handle Diamond Glass Cutter (JL-GCWH), 6PCS HSS Countersink Drill Bits Set with Metal Box (JL-HCDS6), 3PCS Hex Shank 90 Degree 5 Flutes HSS Countersink Chamfering Drill Bit Set for Metal Deburring and so on.