PetSpy Best Dog Nail Clippers and Trimmer with Quick Sensor - Razor Sharp Blades, Safety Guard to Avoid Overcutting, Free Nail File - Start Professional & Safe Pet Grooming at Home RECOMMENDED BY PROFESSIONALS: PetSpy Dog Nail Trimmer is a powerful and safe-to-use grooming tool - recommended by veterinarians and professional pet groomers AVOID OVERCUTTING: Safety Stop Blade serves as a Blood Vessel Sensor - it will greatly reduce the risk of cutting nails too short and injuring your pet LIFETIME WARANTY and BONUS: included Nail File is conveniently stored in handle - allows you to polish sharp nails to perfection LIFETIME CLEAN CUTS: Sharp Blades are made of high quality 3.5mm Stainless Steel - powerful enough to trim your dogs or cats nails with single cut USER FRIENDLY DESIGN: non-slip and easy grip handles will perfectly fit your hand and keep you comfortable while grooming