All metal construction for the toughest, most demanding industrial applications Chrome Molybdenum ratchet pawls and teeth heat treated for maximum durability and high torque loads Quick-release ratchet head holds sockets and accessories safely and securely Accurate to +/-3% clockwise and +/-6% counter clockwise Hardened steel tube for long life and improved accuracy Knurled aluminum handle for safe, slip-resistant grip Extra dark scale and adjustment ring printing for improved visibility Dual scales for use on imperial or metric components All units calibrated in both directions and shipped complete with factory calibration certificate Complete with heavy-duty blow mould case Drive Type 1/2" Square Grip Style Non-Slip Number of Geared Teeth 32 Overall Length 24" Standard(s) Met ANSI, ISO, BSEN 26789-1994, GGG-W-00686C Style Click Swing Arc 11.2° Torque Range 50 - 250 lbf. Ft