Rubis Twist Nail Clippers boast Swiss quality, superior craftsmanship and innovative design. They have a unique design and tempered blades for the perfect cut.These clippers are the result of a combination of the latest technology and superior traditional Swiss workmanship based on more than 50 years of experience.Each pair of Rubis clippers is individually crafted and tested. They are made of anti-acid, stainless surgical steel and can be sterilized in acid or boiling water. All parts are numerically ground and polished - none are chrome or nickel plated.