CHAIN & ACCESSORIES For use with Grade 100 or Grade 80 chain. ’’All-in-one” compact top link. 4:1 Design Factor. Fulfills requirements in: EN 1677:2008 (WLL +25%), ASTM A952/A952M and AS 3776:2015. With the all-in-one compact top link Master Grab Duo (MGD), every chain leg can instantly be altered between a straight lift to a looped sling in a matter of seconds. The innovative design with few components and built-in shortening function makes the MGD the perfect foundation for a cost-efficient and safe chain sling solution. Watch the Master Grab Duo video at © 2025 Kito Crosby. All Rights Reserved.