CMT HW-HC MINI REPLACEABLE KNIFE (4 CUTTING EDGES 35°) 50X5.5X1.1MM Ref: 790.500.01 Key Features: Grade: F1730 Hardness: 1730 HV10 - 92.5 HRA Transverse Rupture Strength: 2100 MPA - 305.000 PSI Suitable for dry and wet softwood, dry and wet hardwood Grade: S2020 Hardness: 2020 HV10 - 93.9 HRA Transverse Rupture Strength: 3700 MPA - 536.500 PSI Suitable for dry and wet hardwood, chipboard and MDF Grade: U2300 Hardness: 2300 HV10 - 95.2 HRA Transverse Rupture Strength: 3500 MPA - 508.000 PSI Suitable for chipboard, MDF and HDF Grade: N2550​ Hardness: 2550 HV10 - / HRA Transverse Rupture Strength: 3200 MPA - 464.000 PSI Suitable for chipboard, MDF, HDF and solid surface materials All Knives supplied in 10-PC Cases Specification: W: 50x5,5x1,1 (width) MAT: F1730 (material) A: 35° (angle)