The Foredom® #15 Hammer Handpiece has hammering rather than rotary action for use at low speed (0-5,000 rpm) by jewelers for stone setting and decorative work. Comes with an anvil point. It requires periodic lubrication.
Hammer has 1/32" stroke and its impact can be adjusted from light to heavy by turning the silver knurled adjusting ring. Measures 6 1/4" long. 1/4" diameter at tip. Instructions. Parts list.