Number of tools: 122; Drive [inch]: 1/2, 3/8; Weight [kg]: 11.5; Square Drive Tang Size [mm (inch)]: 12.5 (1/2), 10 (3/8); Material: Chrome Vanadium Steel, Chrome-Molybdenum Steel; Bolt Head-/Nut Design: Hexagon, Male Torx, Slot, Phillips-head (PH), Pozidriv (PZ), Hexagon Socket, Female Torx, Torx-TR; Bit Receptacle (dimensions) [inch]: 1/4; Packaging: Plastic Case; Hammer head weight [g]: 300; Tools: with ratchet function; Number of teeth (ratchet mechanism): 72; Tool set,Mechanic tool set