This spotblast gun operates by firing dry abrasive particles at high speed to quickly remove rust scale old paint etc the abrasive medium is then cleanly recycled in the collection bag ready for re-use. It is ideal for eliminating rust spots and cleaning other very localised areas. Soft rubber snout with recycling bag automatically collects used abrasive. Supplied with various shaped blasting nozzles. suitable for flat surfaces corners and panel edges. Use aluminium oxide abrasive. 80 -100 psi working pressure. Operates effectively from a 1.5hp air compressor (7cfm min.). 1/4" BSP air hose connection and male snap adaptor.