Ratcheting Dog Bone Wrench The Astro 7157 ratcheting dog Bone socket wrench works on 57 different sizes (including most common SAE and metric sizes) of 5 different fastener types (hex, 12-point, t-x, square and Spline), constructed to provide maximum versatility in a compact body. Take up less space and get more done with this handy all-in-one design. Works on 57 different sizes of 5 different fastener types (Hex, 12-point, T-X, Square and Spline). 72-tooth gearing. Provides versatility in a compact design, taking up less space at home or in small tool boxes 7157 Yes - GASOLINE ENGINE EXHAUST (CONDENSATES/EXTRACTS)