Specifications: Drill Bit Quantity: 6 pieces Carborundum Height:15 mm (0.59inch) Drill Bits Diameter: 20/25/40/45/50/68 mm (0.79/1/1.6/1.77/2/2.7 inch) 2 Diamond Saw Blades: 125 mm (4.9") diameter, 1.4 mm (0.055") thickness Mounting Thread: M14 Gross Weight: 3.8 lb (1.7 kg) Package Dimensions (L x W x H): 23*16*13cm Feature: Durable and heat-resistant. Safe and environmental. Easy to operate. Quick, simple and clean cut Drill bits of 6 diameters for more applications. Suitable for all common angle grinders. Application: Great for installing and repairing wire pipeline, signal lamp and instrument in metallurgy, petrol, electronics, electrical appliance,chemical industry, ship & machinery and many more. Package: 1 X Tool Box 2 X Saw Blade 1 X Diamond Drill Bit 20 mm 1 X Diamo.