Specifications:   Bridge Type Automatic Polishing Machine For Stone. Pneumatic Pressure System. Frankfurt Type Polishing Disc. Also can attach Velcro disc. Four kind of polishing style : Longitude, Horizontal, Zigzag & Manual Variable Polishing speed with 1 H.P. A.C.Drive & Electrical Motor. Heavy Linear Guide & Rack – Pinion for Bridge Travelling. Fully automatic except changing the abrasives. Auto function PLC Controller with push buttons. Cast iron Bridge & Heavy Structure. Foundation Not Required.