Notch 3/4" Rigging Spring Block


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


  • 30 kN WLL / 150 kN MBS
  • Crafted with hot forged aluminium side plates featuring rope-friendly rounded cheeks
  • Equipped with precision CNC machined aluminium sheaves with wide bend radii
  • Features a low-profile, secure, and easy-to-open two-stage captive spring pin lock
  • Enhanced anchor sling protection with high wall and full-diameter design
  • Upper sheave designed to accept 1⅛” anchor slings with a wide, concave shape
  • Flared sideplates engineered to minimise twisting in intricate rigging setups

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