The Notch Thirty Three Micro Pulley packs massive strength into a compact, lightweight body—making it the strongest micro pulley on the market at 33kN. Purpose-built for canopy use, it features flared aluminum side plates and a contoured sheave surface to reduce friction and rope wear. Mid-line attachable with swinging side plates for fast, easy setup and repositioning, this micro pulley is ideal for high-performance tree climbing setups where strength, efficiency, and compact design are critical.

• 33kN breaking strength: the strongest micro pulley on the market
• Flared aluminum side plates with contoured sheave surface for minimizing rope friction and wear
• Swinging side plates for mid-line attachment
• Lightweight and compact design that’s easy to carry and store on your harness
• Accepts ropes up to 12.9mm in diameter
• Sheave diameter: 32mm; Width: 17mm
• Scannable data matrix for easy equipment tracking, inspection logging, and compliance management.
• Aluminum sheave and side plates with a stainless steel axle
• MBS: 33 kN | 7,418.7 lb
• Weight: .2 lb | 91g
• Product dimensions:

- Height: 3” | 7.7 cm

- Width: 1.7” | 4.2cm

Note- certain markings have been removed from backside of device

⚠️ Warning.  This product can expose you to chemicals including Nickel Hydroxide, which is known to the state of California to cause cancer. For more information, go to www.P65warnings.ca.gov.