Feature:1. - Made of selected bearing steel, featuring high hardness \u0026 good wear resistance \u0026 long service life.2. - With fine workmanship, featuring fast chip-removal \u0026 stable performance \u0026 high efficiency.3. - 5 sets with different sizes for option, meeting different working requirements.4. - Each set is available in various sizes to meet different needs.5. - Applicable to materials of wood board, plastic, copper plate, aluminum alloy, stainless steel, etc.6. - Suitable for household / industrial use.Specification:Features:- Made of selected bearing steel, featuring high hardness & good wear resistance & long service life.- With fine workmanship, featuring fast chip-removal & stable performance & high efficiency.- 5 sets with different sizes for option, meeting different working requirements.- Each set is available in various sizes to meet different needs.- Applicable to materials of wood board, plastic, copper plate, aluminum alloy, stainless steel, etc.- Suitable for household / industrial use.Specifications:Material: Bearing steelColor: BrassOptional Sizes: E16875-1: 1.5/2/2.5/3/3.2/3.5/4/4.5/4.8/5/5.5/6/6.5E16875-2: 1/2/3/4/5/6/7/8/9/10E16875-3: 1.5/2/2.5/3/3.2/3.5/4/4.5/4.8/5/5.5/6/6.5E16875-4: 1/1.5/2/2.5/3/3.5/4/4.5/5/5.5/6/6.5/7/7.5/8/8.5/9/9.5/10E16875-5: 1/1.5/2/2.5/3/3.5/4/4.5/5/5.5/6/6.5/7/7.5/8/8.5/9/9.5/10/10.5/11/11.5/12/12.5/13E16875-6: 1.5/2/2.5/3/3.2/3.5/4/4.5/4.8/5/5.5/6/6.5E16875-7: 1.5/2/2.5/3/3.2/3.5/4/4.5/4.8/5/5.5/6/6.5Package Size: Approx. E16875-1: 13.3*7.5*1.3cm / 5.24*2.95*0.51inE16875-2: 15.8*9.5*1.7cm / 6.22*3.74*0.67inE16875-3: 13.5*8.7*1.5cm / 5.31*3.43*0.59inE16875-4: 15.5*10.8*3.2cm / 6.1*4.25*1.26inE16875-5: 18.5*9.8*4.9cm / 7.28*3.86*1.93inE16875-6: 11*3*2cm / 4.33*1.18*0.78inE16875-7: 13.3*7.5*1.3cm / 5.24*2.95*0.51inPackage Weight: Approx. E16875-1: 112g / 3.95ozE16875-2: 224g / 7.9ozE16875-3: 236g / 8.32ozE16875-4: 574g / 20.25ozE16875-5: 1163g / 41.02ozE16875-6: 100g / 3.53ozE16875-7: 112g / 3.95ozPacking List:13 * Drill Bit (1.5/2/2.5/3/3.2/3.5/4/4.5/4.8/5/5.5/6/6.5)1 * Storage CasePackage List:13 * Drill Bit (1.5/2/2.5/3/3.2/3.5/4/4.5/4.8/5/5.5/6/6.5)1 * Storage Case