These serrated small jaws for the Oneway Stronghold chuck are excellent for holding small work.  Range of gripping on the inside of these jaws:  3/8" to 1 7/8".
Excellent choice for small work.  These jaws mount into the body of the Oneway Stronghold chuck.  Internal grip is 3/8" to 1 7/8", while they will expand into holes from 1 1/8" to 2 5/8"