Universal tool adapter threads, 1-1/8 Inch18 male .4hp models and guide threads (1/2 Inch 20 male), for use with existing inventory of template guides.
All models have 1/4 Inch Collets, use only 1/4 Inch shank bits
Nickel plated adapters/housings for added durability.
Quick adjustment of trim housing depth, complete models include (2) housing adjustment wrenches