Kincrome Impact Sockets & Accessories are manufactured from Chrome Molybdenum Steel (Cr-Mo), hardened and tempered to perform in extreme conditions. They are designed to be used with Pneumatic and Power tools where higher torque and force is required.
IMPORTANT: Only Impact Sockets should be used on air or electrically operated power tools. NEVER use silver Chrome Vanadium Steel (Cr-V) Sockets which can shatter and cause personal injury.