1/4" Surface Drive x 10mm Standard Universal GRE910UMS Pullers 3 piece set includes sizes:

3 piece set includes sizes: 3/8" x 7/16"

Design allows for 40% more strength than conventional square drive ratchets

turn center screw to remove

Designed to extend the life of fasteners

Can be used with an impact wrench

1/4" Surface Drive x 10mm Standard Universal GRE910UMS Pullers 3 piece set includes sizes:1 4" Surface Drive x 10mm 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 20%