The Omni-Block SwivaBiner Double combines a swiveling carabiner and double pulley into one tool, and incorporates a unique sideplate that opens while the pulley is still attached to the anchor. Part #: P54 D SB-B Rope Size: 0.5" (13mm) MBS: 28kN WLL: 7kN Weight: 10.5 oz (300 gm) Height: 7.2” (182mm) Width: 2.0” (51mm) Certification: CE