Double Flaring Tool Kit Hardened Bar Assembly Clamps 7 Tubing Sizes: 3/16, 1/4, 5/16, 3/8, 7/16, 5/8, and 1/2. Do Not Use on Stainless Steel Tubing. Includes Corresponding Adapters for Forming Double Flares. Forged Alloy Steel and Hardened. Precisely Flares Tubing Up to 0.040 Wall Thickness to SAE 45° Flares. Complete Double Faring Tool Assortment. Slots on Yoke Firmly Engage with Bar Assembly. Additional Set Contents: SAE Bar Assembly, Yoke Assembly, Reamer, 3/16 Flaring Tool Adapter, 1/4 Flaring Tool Adapter, 5/16 Flaring Tool Adapter, 3/8 Flaring Tool Adapter, 7/16 Flaring Tool Adapter, 1/2 Flaring Tool Adapter, and 5/8 Flaring Tool Adapter 41860