Thread pitch gauge, metric, incl. 24 blades (0.25-6.0 mm). Suitable for Hercules K 50, MK, Prima, M, 220 219; Kreidler Flory MF MP, Florett RS RMC LF LH TM; Zündapp ZD, Super Combinette, GTS KS 50, CX, CS, Hai types 517, 529, 448. Prevents damage caused by incorrect nuts.
