Dewalt DWP849XR 7 in. / 9 in. Variable Speed Polisher with Soft Start (Certified Refurbished) This Certified Refurbished product has been tested and certified to work and look like new, with minimal to no signs of wear, by a specialized third-party seller approved by Amazon. The product is backed by a minimum 90-day warranty, and may arrive in a generic brown or white box. Accessories may be generic and not directly from the manufacturer. Powerful 12 amp ball-bearing construction for long life Electronic module maintains specified speed even under load Variable speed trigger allows user to instantly control speed from zero to dialed setting Heat-treated and precision-cut gears for smooth operation