1. Material: tungsten steel alloy2. Outer blade angle: 135 degrees3. Scope of application: suitable for various types of stones such as concrete/red brick/cement wall4. Size: about 3x66/4x76/5x84/6x100/8x114/10x110/10.5x110/12x115/14x150/16x150mm5. Weight: 3x66mm approximately 6g/piece, 4x76mm approximately 7g/piece, 5x84mm approximately 10g/piece, 6x100mm approximately 15g/piece, 8x114mm approximately 30g/piece, 10x110/10.5x110mm approximately 40g/piece, about 80g/piece for 12x115mm, about 110g/piece for 14x150/16x150mmFeatures:1. YG8 tungsten steel alloy, chromium steel drill body, good toughness, high temperature quenching, not easy to break2. Universal round shank/triangular shank design, suitable for all kinds of electric drills3. U-shaped spiral groove design, surface sandblasting and anti-rust treatment, smooth chip removal and fast drilling speed4. The cutter head is heat treated, with high hardness, sharp cutting edge, wear-resistant and durable5. Complete specifications, easy to use, wide applicabilitySpecification: Package Weight One Package Weight 0.02kgs / 0.05lb One Package Size 10cm * 5cm * 2cm / 3.94inch * 1.97inch * 0.79inch Qty per Carton 150 Carton Weight 4.00kgs / 8.82lb Carton Size 41cm * 27cm * 22cm / 16.14inch * 10.63inch * 8.66inch Loading Container 20GP: 1094 cartons * 150 pcs = 164100 pcs 40HQ: 2541 cartons * 150 pcs = 381150 pcs