أبرز الميزات
19 pcs set supports multiple drilling and screw driving applications HSS rolling twist drill bits support drilling in metal materials Masonry drill bits 4, 5, 6, 8 mm support drilling in concrete surfaces Metal drill bit sizes 2, 3, 3.5, 4, 4.5, 5, 6 mm support different hole diameters Screwdriver bits SL4.5, SL5.5, PH1, PH2, PZ1, PZ2, T20, T30 support different screw types 
