Replacement for part number TH1012, 979925-001 THESE ARE BRAND NEW COMPLETE UNITS.  This is the strongest motor mount made. This newer version has more webbing to make it last longer as shown in the first photo. Not all motor mount brackets have a spring as this one does.  The spring aids in keeping the belt tight (a must in my opinion).  You can replace a non-spring bracket with this type to improve belt performance. Will fit the following models: ALSO CRAFTSMAN : 315.228310 315.228390 315.228410 315.228490 315.228510 315.228590 And RIDGID models: TS24120 TS24121 TS24240 TS24241 TS36120 TS3650 TS3660 Posts measure 5/8" diameter X 4 1/2" long and are 2-1/8" center to center. Will not work on 1940-1960's Craftsman table saws There may be a few scuffs or scratches on the metal due to the manufacturing process. Visit my for even more table saw parts!