SC Kiritsuke Petty 135 mm (5.3 in)Type: Petty Finish: Damascus Hammered Blade Length: 135 mm (4. 7 in) Core Edge Steel: VG10 HRC (Rockwell Hardness): 60 Handle: Ebony Octagonal with Rosewood Ferrule Bevel: Double Bevel Place of Origin: Seki, Japan Petty knives are ideal for cutting fruits, small vegetables, cheese, etc. The blade length is generally 1315 cm. However, because it is small and easy to use, some people cook with this one knife, treating it as an all purpose knife.