More information· 18mm blade that can be cut into 14 segments · Twice as many segments as the standard blade - longer useful life · For cutters: L-1, L-3, L-5, L5-AL, NL-AL, PL-1, EXL , BN-L, OL, CL, LL, ML, CS-2, CMP-2, BSR-200, BSR-300, BSR-600, NOL-1, XL-2, DL-1Made of quality steel Superior · All Olfa blades go through a process of adjusting hardness, sharpening angles, dimensions and other conditions in order to obtain the best balance between initial sharpening and long life.