Used on E1310 - WEIDER BENCH MUSCLE 131, E1312 - WEIDER BENCH MUSCLE 131, E1314 - WEIDER BENCH MUSCLE 131, E4020 - WEIDER ULTRAMAX, M139-20 - WEIDER SILVER MEDALLION, M139-21 - WEIDER SILVER MEDALLION, M1590 - WEIDER MEDALLION 12 IN 1 BENCH, 13520 - WEIDER MUSCLE 1352 BENCH, 13521 - WEIDER MUSCLE 1352 BENCH, 13522 - WEIDER MUSCLE BENCH, 136-20 - WEIDER 136-2 BENCH, 13820 - WEIDER MUSCLE 1382, 150240 - WEIDER WEIGHT BENCH