Zund Z13 blades max cutting depth is 6.9mm, it is double-edged drag blade with a cutting angle of 40°. The length of Z13 blades is 50mm with 0.2mm tolerance range, the width is 8mm with 0.05mm tolerance range, and the thickness is 1.5mm with 0.02mm tolerance range, the cutting edge bevel degree is 46°, degree of finish Ra 0.2.