?dptool dptool brake line flaring tool kit, 45 degree single, double and bubble flares, brake line and tubing flaring tool for 3/16", 1/4", 5/16", 3/8" and 4.75mm tubing, brake flare tool for steel metal tube is up for auction in Automotive. The current bid is $6.00, 91% below the $69.99 MSRP, in New/Like New condition. This auction has ended — similar items appear in live auctions regularly.