the kito chain sling 100 uses kitos top-grade super-strong link chain featuring a rupture stress of 1000 n/mm2 or even higher. various standard link and fittings are available to provide the best combination of products ......the kito chain sling 100 uses kitos top-grade super-strong link chain featuring a rupture stress of 1000 n/mm2 or even higher. various standard link and fittings are available to provide the best combination of products for different applications.