... Length : 25mm4. diameter: 6 mm100pc Bit Set•Manufactured from chrome vanadium and including slotted 3, 4, 4.5, 5, 5.5, 6, 6.5,•7, 7mm, PH0 ... 6, 8, 10•Butterfly 1, 2, 3, 2pc x 1/4" drive socket adaptors,•1/4" drive socket extension, cup hook bit,& 60mm magnetic bit holder 6 ... of 20" container : 8500 set HY-P315A 98 pcs bit set HY-P064 64 pcs bit set 100 pcs screwdriver bit set with blow case HY-P315B