The Notch 3/4" Rigging Spring Block is a medium-duty arborist block designed for smooth, efficient rigging operations with working lines up to 3/4” (19 mm) in diameter. Engineered for strength and durability, it features hot-forged aluminum side plates, precision CNC-machined sheaves, and a two-stage captive spring pin lock for secure, low-profile operation.

Built for complex rigging scenarios, the block’s flared side plates minimize rope twisting, while its wide, concave upper sheave protects anchor slings and distributes load evenly. Rated at 30 kN working load limit (150 kN MBS), the Notch 3/4" Rigging Spring Block delivers reliable performance in demanding tree care and arborist operations.

Key Features:

• 30 kN WLL / 150 kN MBS for reliable load handling
• Hot-forged aluminum side plates with rope-friendly rounded cheeks
• Precision CNC-machined aluminum sheaves with wide bend radii
• Low-profile, secure two-stage captive spring pin lock
• High wall, full-diameter design for enhanced anchor sling protection
• Wide, concave upper sheave accommodates 1?” anchor slings
• Flared side plates reduce rope twisting in complex rigging scenarios
• Durable, lightweight aluminum construction
• Manufacturer Part Number: ID07134
• Country of Manufacture: Taiwan