Notch 1/2" Rigging Spring Block (55352)

Hot forged aluminum side plates with rope friendly rounded cheeks and precision CNC machined aluminum sheaves with wide bend radii Small sized lightweight arborist block accepts working lines up to 1/2” (13mm) diameter Low profile, secure, easy-to-open captive screw pin lock with a high wall, a full diameter and improved anchor sling protection The wide concave upper sheave accepts 5/8” anchor slings while flared sideplates reduce twisting in complex rigging scenarios Working Load Limit: (WLL) 20 kN (4,496 lbs.) MBS: 100 kN (22,480 lbs.)