Description FEATURES: Expert Quality, sockets forged from chrome molybdenum steel hardened, tempered and chemically blacked for corrosion protection. Ring and pin sold separately. Packed in steel carrying case. Safety Note: ONLY impact sockets and accessories can be used with air or electric powered wrenches. NEVER use silver chrome vanadium steel sockets which can shatter and cause personal injury. CONTENTS: 24, 27, 30, 32, 33, 36, 38, 41mm 1”, 1-1/8”