Self ejecting chuck keys help to prevent projectile injuries. Designed for use with drills and other machines equipped with manually tightened Jacobs style chucks.
| Chuck Key | # Of Teeth | Dia. Of Pilot |
| K0 | 11 | 1/8" |
| K1 | 11 | 5/32" |
| K2 | 11 | 1/4" |
| K3 | 11 | 5/16" |
| K4 | 12 | 3/8" |
| K5 | 12 | 7/16" |
| K30 | 10 | 15/64" |
| K32 | 10 | 1/4" |
