Notch 3/4" Rigging Spring Block

Medium sized arborist block accepts working lines up to 3/4” (19mm) diameter. 

• 30 kN WLL / 150 kN MBS
• Hot forged aluminum side plates with rope friendly rounded cheeks
• Precision CNC machined aluminum sheaves with wide bend radii
• Low profile, secure, easy-to open two stage captive spring pin lock
• High wall, full diameter, improved anchor sling protection
• Wide, concave upper sheave accepts 1⅛” anchor slings
• Flared sideplates reduce twisting in complex rigging scenarios