... in Europe. Three class of blade are available: Economical, Durable, and Extra-Durable. Economical Blade is made from DMo5 Bright,this blade is ... % more life if cutting stainless steel. Extra-Durable Blade is made from Co5% Black HAWK,Extra-durable blade has 50% more life than standard ... suitable for cutting all kind of standard metal material Specifications: Extra Durable Saw Blade