Square handle for secure grip even with greasy hands Hex bolster for easy turning with wrench Heavy duty Chrome-Vanadium steel shaft Nickel chrome plated for corrosion resistance Made in U.S.A. Includes: 1/4 x 4 keystone slotted, 5/16 x 6 keystone slotted, P1 x 4 Phillips, P2 x 4 Phillips, P3 x 6 Phillips, 3/16 x 4 keystone slotted, packaged in tray