Excellent High Tech Thinning Scissors 5.5", Cobalt Japan is serrated on both sides and is used for thinning hair. Especially for thick hair, these scissors work wonders. Professional affiliation scissors made of specially hardened cobalt steel from our high-tech series. Available in 5.5. stainless steel instrument : The processing of stainless steel guarantees, besides the lowest wear and tear, an excellent, durable cutting ability. Stainless steel instruments are nickel-free, anti-allergic and sterilizable. Suitable for the highest professional demands.