Andis (R) Power Trim Rechargeable Horse Trimmer Quiet, heavy-duty, motor-driven rechargeable trimmer is equipped with super fine tooth blades for close trimming. Includes 4 different attachment combs. 1/16", 1/8", 1/4", 3/8" and charging stand. Features Ni-MH battery for superior performance and less memory effect. Stainless-steel blades will not rust. Run time approx. 1 hr when charged overnight. Features 4,000 SPM. For helpful clipper care and equine grooming tips, click on Manufacturer Information to the right.