name:stainless steel bow roller material :stailess steel 316 or 304 surface:mirror polish price:reasonable price name: bow roller1.material:stainless steel,carbon steel,alloy steel and heat resistant steel.2.size:as customers' requirement3.process:colloidal silica process,water glass process4.Machine: CNC5.surface treatment according to customers' requirements can be mirror polishing,spraying.etc ...