RUBISPrecision Swiss craftmanship makes Rubis tweezers the world"s finest tweezers. Each tweezer is made from the highest quality anti-acid, non-magnetic stainless steel.Forty-step hand finishing process gaurentees perfect tip alignment for complete hair removal every time.Lifetime Guarantee. * Disinfect tips of tweezers in alcohol. Always replace protective cap on tweezer tips. * Be careful not to drop tweezers, it will dull the tip and throw tweezers out of alignment.