Features & Specifications More than twenty years, SCOTT GmbH & Co. has been one of the leading manufacturers of TCT Circular Saw Blades and has made a majer contribution to the development of alternative cutting materials. We made our saw blades with the high quality Tungsten Carbide tip and hard steel plate body. Further technic -- Laser circular Saw blades ADVANTAGES: 1>noise reduction due to narrow expansion slot. 2>better rigidity of steel plate resulting in finer finish of workpiece. 3>Longer sawblade life due to absence of vibration created by air turbulance in expansion slots. SCOTT/Germany high quality TCT Circular Saw Blades: A) COBRA (Alternate top bevel tooth--coarse tooth for Wood)--(Alternate top bevel tooth--thin kerk tooth for plastic and soft wood) B) ULTRA (Triple-chip flat tooth for aluminium, copper and plastic lamination) C) ASTRA (Flat tooth for hard wood and plywood)