Material used: This scissors is & can be manufactured using two different types of stainless steel. 1- aisi-420 japanese steel rockwell hrc 54-56 2- aisi-440c stainless steel. Rockwell 58-60 Features 1- convex blades. This helps for a effortless cutting and for long period of time. 2- adjustable set screw. This can extends the life of blade while being easily adjustable for each hairdresser. 3- detachable finger rest. 4- razor sharpness edge like a razor. 5- off-set handles. 6- mirror polish finish. 7-available sizes: 5ö 5.5ö 6ö without finger rest Velvet pouch