Available individually or as a component of the BB007 Brake Bleeder Removal Kit. About JB Tools. S.U.R. & R. AC15M 15mm A/C Compression Union (1). S.U.R. & R. AC16M 16mm A/C Compression Union (1). S.U.R. & R. TR605 3/8" Inverted Flare Nut 5/8"-18 (4).