1,Detachable handle, multiple combinations, providing the most labor-saving combination, longest handle up to 6inch could provide high torque for operation in tight,confined spaces. This Multi-function mini screwdriver set is powered with a 58-teeth reversible ratchet system to ensure smooth ratcheting in both directions and needs only 6.2 degree sweep enable precision adjustment.
2,This durable wrench screwdrivers set are made of high-strength S2 Chrome Moly steel bits, 6063 Alloy steel handle and 5053 Alloy steel ratchet gear
3,24PCS DIFFERENT SHAPE COLOR BITS - This ratchet screwdriver come with 24 different shape driver bits: Phillips(PH1,PH2,PH3); Slotted(SL4,SL5,SL6);Pozidriv(PZ2); Torx (T5,T6,T8,T10, T15, T20, T25, T27);Hexagon(H1.5,H2,H2.5,H3,H4,H5,H6,H6.35,H8); basically covers common screw specifications for most home devices. And the different colour coded rings, make it easy to pick the right one.