HS1013 - 12-Edge Blunt Hardened Steel Cutter Designed to fit your SMITH FS200 and competitive model scarifiers. For gently removing coatings, light profiling, curing compounds, traffic paints, heavy oil, and grease deposits on concrete or asphalt. Specfications Specfications Outer Diameter – 1.65″ (41.9mm)Inner Diameter – 0.64″ (16.2mm)Width – 0.125″ (3.1mm)Weight – 0.04 lbs (0.018 kg)Materials – SAE high-strength carbon steelTip Shape – BluntNumber of Points/Edges – 12Shaft Size – 10mm, 12mm, 7/16″, 1/2″