Specifications: Color: Silver Overall Dimensions: 51x37x12 mm / 2x1.46x0.47 inches (L x W x H) Triangular Section Dimensions: 12.5x7 mm / 0.47x0.28 inches (Outer Diameter x Triangle Side Length) Package Contents: 3 x Triangle Wrenches. Advantages: 1. Made of zinc alloy sturdy, durable, and long-lasting. 2. Universal wrench lightweight and easy to carry. Instructions: Use this triangle wrench to operate equipment by turning valves or screws. Applications: This triangle socket wrench is a practical tool for operating various valves. Suitable for radiator valves, distribution boxes, electrical cabinets, elevators, gas and water meter valves, tool box doors, etc. Note: This triangle wrench is not suitable for certain older radiator models please verify your equipment's dimensions before purchasing. Weight: 0.11 lbs.