Tungsten Carbide Zund Cutter Blade Z21 ni blade ya kawaida katika mfumo wa kukata zund, pia inafaa kwa Aoke-Kasemake, Aristo, Atom, Balacchi, Blackman & White, Comagrav, Combi Pro, DYSS, Delta Diemaking, Esko Kongsberg, Filiz, Humantec, Ibertec, KSM, Lectra, Mimaki, Mécanuméric, SMRE, Samurai, Summa, Torielli, USM, Wild Leica, iEcho nk chapa nyinginezo.