The Milwaukee m18bos-0 is an 18v orbital sander supplied as a body only. The sander has variable speed with 6 different speed settings. A universal hook and loop sanding pad allows easy changing of sanding discs. The sander has a high performance motor delivers 14,000 to 24,000 sanding strokes per minute for faster material removal. m18bos125-0 125mm pad 18v body only dust bag, vacuum adaptor, extension adaptor, two sanding sheets no load speed rpm 12,000 14,000 - 24,000 oscillation rate