300pcs power drill bit set 1)first step plastic box bfc: 5pcs hole saw :45, 54, 60, 64 center drill 4pcs nail punch:1/32", 2/32", 3/32", 4/32" 10pcs power scoket:5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13mm 5pcs wood flat drill bits:13, 16, 19, 22, 32mm 4pcs 350mm long wood flat drill bits: 8, 10, 12, 14mm 3pcs 350mm long masonry drill bits: 8, 10, 12, 14mm 21pcs masonry drills: 4, 4.5, 5, 5, 6, 6, 7, 7.5, 8, 8.5, 9, 10, 11, 12, 13mm 4pcs drill stop :3, 5, 8, 10mm 3pcs plastic bit sleeve 1pc counter sink 1pc hex key 2)second step plastic box bfc: 50pcs hss twist drill tin coated: ( 1-4mmx0.5+3.2mm)x4+(4.5, 4.8, 5, 5.5mm)x2+6, 6.5, 7, 7.5, 7.5, 8, 9, 10, 11, 12, 13mm 33pcs 50mm crv bits w/copper plated : --3, 4, 5, 5.5, 6, 7, 8, H2, 2.5, 3, 4, 5, 6, 7 S1, 2, 3 + 0, 1, 2, 3 *0, 1, 2, 3 T10, 15, 20, 25, 27, 30, 40, 45 55pcs 25mm crv bits w/copper plated: --(3, 4, 5, 6, 7, 8)x2 +(0, 1, 2, 3)x2 *(0, 1, 2, 3)x2 H2, 2.5, 3, 4, 5, 6, 7 &5/64", 3/32", 1/8", 5/32", 3/16", 1/4", 9/32" S1, 2, 3 T 10, 15, 20, 25, 27, 30, 40, 45 1pc 60mm magnetic holder 3)third step plastic box bfc 66pcs hss twist drill black oxide: (1-4mmx0.5+3.2)x5+(4.5, 4.8, 5, 5.5mm)x4 6, 6.5, 7, 7.5, 8, 9, 10, 11, 12, 13mm 33pcs wood working drill bits brad: (4, 4.5, 5, 5.5, 6, 6.5mm)x4+ 7, 7.5, 8, 8.5, 9, 10, 11, 12, 13mm 2sets/ctn, Meast:63.5x42x25cm G.W./n.W.:24/22kgs