Sure-Lock rings lets you make precise adjustments of all standard 7/8"-14 dies and accessories. Lock Ring clamps around the whole die and can't damage the threads.
Specifications:

Type	Lock Ring
Caliber	Adjustable
Size	7/8"x14 Threaded Dies
Quantity	1
Weight
Function
Compatible With
Material
Includes
Capacity
Media Capacity
Finish
Grain
Media Type
Micrometer Type