GearWrench 83503 Long Arm Metric Hex Key Set, 13 Piece

Keys made with alloy steel for maximum strength and to resist rotational distortion Chamfered edges on both ends help guide the key into the fastener smoothly and quickly Short or long side can be used, providing better access and speed in all situations Sizes clearly marked on caddy for easy identification Meets or exceeds ASME standards., Weight: 0.881849048 pounds, Manufacturer: Apex Tool Group