... 2.Equipped with sand paper and spongy cushion Wood floor sanding machine PM300A, Technical specifactions: Model PM300A PM300B Voltage 220V 380V ... one spongy cushion 1.sanding paper (34#,36#,80#,100#) 2.one spongy cushion Description: 1.This machine can polishing the wood ... paint,metal rust removealso have automatic cleaning function 2.Grinding machine of floor is the special purpose tool which is ...