OAP1860 Features: * All hex keys are precision formed to exact tolerances for precise fit * Resists rotational distortion * Measuring System: Metric * Tip Type: Hex * Material: Alloy Steel * Handle Type: L-Handle * Testing and approvals: * Meets Fed. Std. GGG-K-275 AMED 1 * Meets ASME/ANSI B18.3 Color/Finish: * Finish: Black Oxide