Features: Reverse spiral flutes for maximum gripping power Black oxide finish prevents corrosion and increases durability Square drive and hex flats for use with hand ratchet, air ratchet, impact wrench, adjustable wrench, flat wrench, pliers and sockets. Content: 3/8″ Square Drive Extractors: 5/16″(8mm), 3/8″, 7/16″(11mm), 1/2″, 9/16″(14mm) Socket Adapter 2″: 3/8″
