When the grinding disk is operated, it has a partial swing, and the area of the grinding is actually larger than that of a grinding disc, thus providing work efficiency. The cutting force is larger than the concentric polishing machine, and the grinding speed is faster. International buyers please note: a. The item "Random Orbital Sander 1200W 220V Electric Car Polisher Buffer 6 Variable Speed" is in sale since Friday, January 12, 2018.This item is in the category "Business, Office & Industrial\Power Tools\Sanders\Sanders". The seller is "ynaan" and is located in HK. This item can be shipped worldwide.