Professional tool for commercial or occasional use. Manufactured from chrome vanadium steel for strength and durability and treated for extra strength. 1/2" drive so will fit any 1/2" drive ratchet / bar . impact gun etc... The sockets are 12 sided so multi drive so bite onto the side of the appliance a lot more effectively These specially designed 12 point sockets are very rare and can be used for hubs on vehicles. INCLUDES; 1 x 24mm socket 12 point 1 x 30mm socket 12 point 1 x 32mm socket 12 point 1 x 14mm hex bit. 1 x 17mm hex bit.