From the Manufacturer:
Safari Professional Stainless Steel Dog Nail Trimmers are made from the finest quality stainless steel to give a long-lasting, sharp cutting edge. Nail trimming should be a regular part of your dog's grooming. It is important to your pet's well-being to keep the nails properly trimmed. Be sure to accustom your dog to having its nails trimmed at an early age to make the experience an enjoyable one and increase the bond between you and your dog.