Safety Nail Guard – Our nail grinder comes with a nail guard to help protect your pet and allows for a safe nail grinding experience; Our ergonomic soft grip allows for a firm, comfortable hold during use for increased safety and precision Three Hour Run Time – This lithium pet grinder is cordless for ultimate convenience, achieve up to three hours of run time on a single charge; Plug it in over night and the grinder will have more than enough battery to get the job done Concave Tip for Rounding – The grinding stone features a concave tip which helps with rounding off and smoothing your pets’ nails; This should stop your pet from scratching up your floors and skin with untrimmed, dangerous nails Three Grinding Bands – Easily detachable grinding bands offer different grit grinding options, 60 grit for quick grinding and 120 grit for touch ups and finishing Avoid Cutting the Quick – Grinding helps avoid cutting into the quick, which is the soft tissue inside of your dog’s nail; grinding is less stressful than traditional nail clipping Perfect Gift – Wahl clippers, trimmers, massagers, and shavers make great Christmas gifts for women and men. Give the gift of Wahl this holiday season Recommended Charge Cycle - To maximize the health life of the unit battery, charge the unit in full at least every 6 months