Porter-Cable PCC761BR 20V MAX Cordless Lithium-Ion 4 1/2 in. Cut-Off Grinder (Bare Tool) (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. High-performance motor produces for aggressive cutting, removal and finishing applications Cast metal gear housing helps dissipate heat during extended use Contoured over-molded handle optimized for increased comfort and minimizes user fatigue Spindle lock allows for quick and easy wheel changes