PRO-OS Master Link
Master links are used on top of lifting sets and their role is to fix the chain, wire rope or textile sling leg(s) to the existing upper clamping system (usually hooks).
Master links are manufactured according to EN 1677-4 standard requirements and they are batch numbered and marked accordingly, with batch code, manufacturer, size and CE mark.
The master link type PRO-OS has to be used always with an one or two legs chain, wire rope or textile sling system.
This master link has a safety factor of 4, which means that minimum breaking load MBL is 4 times higher than maximum work load limit WLL.
WLL exceeding (overloading) is strictly forbidden!