Specifications: Color: Silver Material: Zinc alloy Overall dimensions: 78 x 48 x 13 mm / 3.07 x 1.89 x 0.51 inches (L x W x H) Triangle dimensions: 13 x 8 mm / 0.51 x 0.31 inches (outer diameter x triangle side length) Package contents: 6 triangle keys. Advantages: Made of durable zinc alloy for long-lasting use a lightweight, portable, and versatile key. Instructions: Used to turn valves or screws on compatible equipment. Applications: Suitable for radiator valves, distribution boxes, electrical cabinets, elevators, gas and water meter valves, toolbox doors, etc. Note: Not suitable for certain older radiator models please verify equipment dimensions before purchasing. Weight: 0.40 lbs.