Esky&reg; Dog Clippers - Professional Dog Nail Grooming Clippers for Dogs Large size measures 6 1/2" which is effective for clipping the nails of medium and large dogs Super sharp stainless steel cutting edges to ensure a clean cut without crushing the nail Ergonomic design reduces risk of injury caused by repetitive motion; Secure and comfortable grip essential for safe, accurate nail trimming Safety guard to help prevent cutting the nail too deeply Two Year Free Replacement and 90 Days Money Back Warranty