We provide Crescent Blades that are perfect for incisions of the Groove, Pocket or Tunnel type. Manufactured with precision, our Crescent Blades are known for offering superior performance over a long time period. Product Details : Single BevelProduct CodeDescription S-950061 HS Bevel Up Angled 45o20 GaugeS-950062 HSBevel Down Angled 45o20 GaugeDouble BevelS-950068 HSAngled 45o19 Gauge