Application This product is suitable for flaring single, double, and bubble flares on automotive brake lines, hydraulic lines, oil pipes, air conditioning lines, etc. Specification Color: Black, Silver Material: 45 # Carbon Steel, Plastic Process: Electroplated Operation Type: Manual Assembly Required: Yes Die Specification: 5/16"(8mm), 3/8'', 3/16''(4.75mm), 1/4''(6.35mm) Case Size: 43*18*11cm/16.9*7.1*4.3inch Gross Weight: 4.5kg/9.92lbs Package Included 1 Set* Brake Line Flaring Tool 1* Tool Box.