Cutting angle: 0.5°.Cutting length: 0.9mm fiber is 10-16mm; 0.25mm fiber is 9-16mmFiber diameter: 125μmCoated outer diameter: 0.25mm and 0.9mmBlade model: the fund's 20BLBlade life: 36000 core (1000 core x 12 blade angle x 3 blade height)Product weight: 430gProduct size: 63x76x63 (mm)