Makes Both Single and Double SAE Flares. Double Flaring Tool Set Makes Both Single and Double SAE Flares. This tool set includes everything to flare thin wall steel, aluminum or .040 wall soft copper tubing. The set includes 5 thread dies and adapters for forming double flares on the following tubing sizes: 3/16\", 1/4\", 5/16\", 3/8\" and 1/2\". However, this set is not for use on stainless steel tubing. The set is packaged in a durable, oil and grease resistant tray for storage. Full instructions are included. 31130 Long Bar 31180 Adapter 31200 Short Bar 31340 Cone 31370 Adapter 31380 1/4\" Adapter 31390 5/16\" Adapter 31400 Pusher Screw 31410 1/2\" Adapter 31470 Yoke 31570 Nut