Aluminum alloy integrated ball-bearing pulley carabiner

A professional integrated device featuring a high-efficiency micro pulley built directly into the top of a carabiner. It significantly streamlines connections, allowing for the rapid setup of hauling systems, redirection points, or deviation systems without the need for an additional carabiner. Equipped with sealed ball bearings, it offers a transmission efficiency of over 85%, and is available in 2-stage and 3-stage auto-locking gate versions to prevent accidental opening.

Key Features

• Integrated Pulley-Carabiner Design: Eliminates the traditional "carabiner + independent pulley" configuration, reducing system length and clearance requirements for an ultra-compact hauling setup.

• Sealed High-Precision Ball Bearings: Extremely low rotational friction ensures smooth operation and a transmission efficiency ≥85%, enhancing mechanical advantage and significantly extending service life.

• High Load-Bearing Performance: Carabiner longitudinal strength of 22kN; pulley working load limit of 5kN (2.5kN × 2), compatible with 7-13mm rope diameters.

• Keylock Snag-Free Nose: Features a smooth transition with no sharp edges, ensuring snag-free rope removal or clipping into webbing hangers.

• Anti-Slip Auto-Lock Sleeve: Precision-knurled surface for tactile operation even with gloves; spring-loaded auto-locking mechanism eliminates the risk of vibration-induced opening.

Specifications

• Body Material: 7075 Aerospace-grade Aluminum Alloy, Stainless Steel Bearings

• Carabiner Strength: Major axis 22kN | Minor axis 8kN | Open gate 7kN

• Pulley Working Load Limit (WLL): 2.5kN × 2 = 5kN

• Pulley Efficiency: ≥ 85%

• Bearing Type: Sealed Ball Bearing

• Pulley Specifications: Sheave diameter 18mm | Rope compatibility 7–13 mm

• Dimensions: Width 65mm × Height 121mm (Gate opening 22mm)

• Product Weight: Approx. 125g

• Certification Standard: XF494-2023

Two Gate Configurations

• 【2-Stage Auto-Lock】: Twist-to-open, releases to self-lock instantly, balancing operational fluidity with essential security.

• 【3-Stage Auto-Lock】: Triple-action mechanism (push, twist, pull), providing the highest level of security against accidental opening, compliant for rescue and work-at-height operations.