Rigging Spring Block

Rigging Spring Block from NOTCH Equipment – medium-sized rigging block for arborists.

This robust and reliable rigging block is designed for working lines up to **19 mm** in diameter. With a Working Load Limit (WLL) of **30 kN** and a Minimum Breaking Strength (MBS) of **150 kN**, it handles demanding rigging operations in tree felling and arborist work with high safety and efficiency. Made with hot-forged aluminum side plates and precision-machined sheaves for optimal performance and minimal wear on ropes and slings.

Features

• Hot-forged aluminum side plates with rope-friendly rounded edges for maximum strength and protection
• Precision CNC-machined aluminum sheaves with large bend radii that minimize rope strength loss
• Low-profile, secure, and easy-to-open two-stage spring-loaded locking clevis pin for quick access
• High wall and full diameter for enhanced protection of anchor slings
• Wide, concave upper sheave opening accepts anchor slings up to **28.5 mm**
• Extended side plates reduce twisting in complex rigging scenarios
• CE marked for certified safety in professional use
• Flared sideplates for increased stability under load

Technical specifications

• Working Load Limit (WLL): 30 kN
• Minimum Breaking Strength (MBS): 150 kN
• Maximum working line diameter: 19 mm (3/4 inch)
• Maximum anchor sling diameter: 28.5 mm (1 1/8 inch)
• Side plates: Hot-forged aluminum
• Sheave: CNC-machined aluminum
• Axle: Stainless steel
• Country of manufacture: Taiwan
• Item number: ID07134

Perfect for arborists who require high-quality equipment that combines strength, ease of use, and safety in all rigging applications.