Model SP-4 spindle blast system is specially adapted for one-piece-flow manufacturing. It performs work cell impact treatment such as deburring, shot peening, descaling, surface preparation and cosmetic finishing with programmed consistency. The multiple-gun programmable blast machine has a space-saving 30 in. x 34 in. (760 mm x 864 mm) footprint, return-to-front reciprocating motion of the driven spindle for convenience loading, and a streamlined touch-screen control panel.