Lisle T-82340 is a 3/8 drive, 6-point, deep, metric socket set with sizes ranging from 10mm to 24mm. The set includes 12 sockets, a 3/8 drive ratchet, and a 3/8 drive extension bar. The sockets are constructed of chrome vanadium steel for strength and durability. The ratchet and extension bar are chrome plated for corrosion resistance.