1/4" Surface Drive x 5.5mm Standard Universal GRE955UMS Transmission Precision machined and heat treated

Precision machined and heat treated to provide the best combination of hardness

3/8" Drive x 3" Extension w/ Friction Ball

200-500 (ft-lb) working torque

Primary trademark name: Imperial

1/4" Surface Drive x 5.5mm Standard Universal GRE955UMS Transmission Precision machined and heat treated1 4" Surface Drive x 5. 5mm Standard Universal Features and Benefits Made of high quality steel (chrome molybdenum); thorough and exact heat treatment insures the correct balance of strength and durability Engineered specifically for use with impact tools, using the most up to date industrial specifications Made to transfer the pressure from the thinnest part of the socket wall toward the thicker section, resulting in increased strength Allows up to