Notch 1/2" Arborist Rigging Spring Block with Precision CNC Machined Aluminum Sheaves, WLL: 4,496 lbs. MBS: 22,480 lbs. Use with Lines up to ½” (13mm) (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.)