Teardrop-shaped for better access and strength. Lock-on/quick release design secures socket and provides easier socket release. Quick-Flip reversing lever and 10-degree ratcheting arc for ease of use. Torque-Wrap design for greater torque strength and durability. 1-piece drop forged alloy steel with knurled no-slip grip and nickel plated, chrome finish. Meets Fed. Std. GGG-W-641e and ANSI B107.10M specifications.