A three piece CNC machined steel collet-spindle adapter for use of all 1/4" die grinder tooling with a 4 1/2" cutoff blade on any angle grinder with 5/8-11 male threaded spindle. 
CNC machined, heat treated, and black oxide  plated to last a lifetime. Dealer inquires invited.
Made with pride, at a veteran owned shop, entirely in the USA.
Grinder, blade, tooling, and wrenches are not included.
FREE SHIPPING.