Chuck diameter is 3.75" (95mm), Chucks are direct threaded with options of:
- M33 x 3.5mm
 
- 1.1/4" x 8tpi
 
- 1" x 8tpi
 
Supplied with standard set of jaws:
|   | 
Grip | 
Expand | 
| Minimum: | 
40mm | 
55mm | 
| Maximum: | 
65mm | 
80mm | 
| Optimum: | 
45mm | 
58mm | 
Jaw depth is 12mm with dovetail inside and outside