Description:1. Tool Kit Sizes: 3/16" - 5/8" (5-16mm).2. A single screw clamp with a sliding beam holder provides for easy clamping and removal of hoses.3. Hardened steel provides strength and durability, 45 degree flare angles in soft copper, brass, aluminum and mild steel tubing.4. Widely used in refrigeration, petrochemical, power, shipbuilding, metallurgy and other industries of condenser, cooler, heat exchanger, boiler and other pressure vessel production and maintenance.5. It can be used in copper, aluminum, titanium, iron, stainless steel and other materials for pipe expansion. Specifications:Color: Silver + Black Material: AlloyTool Kit Sizes: 3/16" - 5/8" (5-16mm)Package Included:1 * Pipe Dilator Note:1. Please allow 1-3cm differs due to manual measurement.2. Due to the different display and different light, the picture may not show the actual color of the item. Thank you for your understanding.