| 269 / | HD | WORK HOLDERS | 
| 86 | DF | RELATIVELY MOVABLE JAWS {25} | 
| 165 | DF | .~ Means for direct manual adjustment of jaw(s) {5} | 
| 188 | DF | .~.~ With common means to both lock and actuate jaw(s) {4} | 
| 196 | DF | .~.~.~ Cam or eccentric type {4} | 
| 199 |  | .~.~.~.~ Plural cam surfaces |