| 531 00 38-11 | 10mm arbor, left-hand thread. Fits: 122L, 123L, 123LD, 125L, 125LD, 125R, 125RJ, 225L, 225LD, 225R, 225RJ, 232L, 232R, 235RJx, 240L, 322L, 322R, 323L, 323LD, 323R, 323RJ, 324L, 324Lx, 324LDx, 324Rx, 325L, 325Lx, 325LDx, 325Rx, 325RDx, 325RJx, 326L, 326Lx, 326LDx, 326Rx, 326RJx | Ø300 mm | $ 25.95 |
| 531 00 38-24 | 12 mm arbor, left-hand thread. Fits: 120L, 120R, 132L, 132R, 132RJ, 235R, 240F, 240R, 245Rx, 250R, 250Rx, 252Rx, 265Rx, 343F, 343R, 345Fx, 345Fxt, 345Rx | Ø300 mm | $ 25.95 |