- Alfred Herbert - Made in England
- 3/4" Box
- 3/4" Chaser Width
- 5/16" Chaser Depth
- 1-1/2" Drive - Shank
- 13/16" Bore
- 20DSType
- 2.3/8" Shank Length
Note: we have a Large stock of all size die heads, All Forms of chasers, both metric and imperial, please enquire for more info.