Power Bit Extensions - Regular page 173
| SIZE x LENGTH | FITS SHANK SIZE | FOLLOWS DRILL SIZE OF |
|---|---|---|
| 1/4 x 12 | 1/4 Hex / 5/16 Round | 1/2" or larger |
| 1/4 x 18 | 1/4 Hex / 5/16 Round | 1/2" or larger |
| 5/16 x 18 | 5/16 Hex / 3/8 Round | 5/8" or larger |
| 5/16 x 24 | 5/16 Hex / 3/8 Round | 5/8" or larger |
| 7/16 x 9-1/2 | 7/16 Hex / 1/2 Round | 7/8" or larger |
| 7/16 x 12 | 7/16 Hex / 1/2 Round | 7/8" or larger |
| 7/16 x 18 | 7/16 Hex / 1/2 Round | 7/8" or larger |
| 7/16 x 24 | 7/16 Hex / 1/2 Round | 7/8" or larger |