Manual & Hand Operated Rock Crusher
2020-7-22 · It is used wide open (150mm opening) for crushing large pieces of rock down to a smaller size about 25-40mm. When crushing stone or rubble to a small size (i.e. below 16mm) it will be done in two or more stages for maximum production. The Swing Jaw setting is normally set on the bottom hole which gives the most movement back and forth.