... used in floor and stair polishing 3,polishing machine 4.grind,polish floor and stair polisher,granite ... polishingstone floor in hotel,building and villa etc.This machine is stable in performace,light in handling,smooth ... Disc10/17inchRotating speed175rpmVoltage220V/50HZPower2HPWatering canHaveCable10/11mWeight78kgAdd weight iron20kg*1MotorKDSThis machine can detachable to do the stair grinding and ...