| Art.No. | Description |
| WTA013 | 5-1/2"(140mm) Extension for Shank of 7/16"(or 3/8") arbors |
| WTA014 | 10"(250mm) Extension for Shank of 7/16" (or 3/8 ") arbors |
| WTA015 | 12"(300mm) Extension for Shank of 7/16"(or 3/8") arbors |
| WTA016 | 18"(450mm) Extension for Shank of 7/16" (or 3/8") arbors |