Constructed of high grade alloy steel
All sizes are hard-marked for easy identification
Provides stronger grip, reduces rounding and delivers more torque
Contents:
1⁄4" x 5⁄16", 3⁄8" x 7⁄16", 1⁄2" x 9⁄16", 5⁄8" x 11⁄16", 5⁄8" x 3⁄4", 3⁄4" packaged in a molded case