Surseat Flare Lapping Tool Kit, For 3/16 in. to 1/2 in. Flared Tubing with 37-Degree or 45-Degree Flares, Includes:, Spilt Collets for 3/16 in. to 1/2 in. Lines, Threaded Collets for 3/8 in.-24, 7/16 in.-24, M10-1, M10-1.25, M12-1 Lines|KOUL tools Surseat Flare Lapping Tool for 3/16 in. to 1/2 in. Brake and Fuel Lines with 37-Degree or 45-Degree Flares.