Features and Benefits:

• Standard length 6-point impact socket
• Made from high quality chrome-molybdenum steel
• Heat treated for strength and durability
• Size markings are hard stamped into the socket for easy identification
• Black oxide coated for resistance against rust and corrosion

3/8 in.; Drive x 21mm Standard Length 6-Point Impact Socket. Our impact sockets grip the fastener across a broader contact area, reducing chance of rounding off fasteners. They also allow up to 20% more torque to be applied than on other impact sockets. The shift in pressure allows us to reduce the socket wall thickness, increasing access to tight areas.