Size
| Item No. | L (mm) | L (inch) |
| IEB-4002 | 50 | 2″ |
| IEB-4003 | 75 | 3″ |
| IEB-4005 | 120 | 5″ |
| IEB-4006 | 150 | 6″ |
| IEB-4008 | 203 | 8″ |
| IEB-4010 | 250 | 10″ |
1/2″ IMPACT EXTENSION BAR
| Item No. | L (mm) | L (inch) |
| IEB-4002 | 50 | 2″ |
| IEB-4003 | 75 | 3″ |
| IEB-4005 | 120 | 5″ |
| IEB-4006 | 150 | 6″ |
| IEB-4008 | 203 | 8″ |
| IEB-4010 | 250 | 10″ |