The Hastings 21674 Square JIB Adapter combines a swivel conductor holder and sheave system in one professional-grade unit designed specifically for utility trucks with 4"x4" square JIB configurations. This robust adapter features a conductor holder that accepts up to 2" diameter conductor with quick release trigger mechanism, while the integrated sheave system accommodates up to ¾" diameter rope secured with ball lock pin for reliable field operations.

Built for trained utility professionals, this 27-pound adapter includes critical safety features such as an oversized loop design compatible with disconnect hooks for emergency situations. The dual-function design streamlines utility truck operations by combining conductor handling and rope management capabilities in a single, securely mounted unit rated for demanding field deployment.

Key Features: 

• Conductor Holder: Accepts up to 2" diameter conductor with quick release trigger mechanism
• Sheave System: Accommodates up to ¾" diameter rope with ball lock pin security
• JIB Compatibility: Designed for 4"x4" square jib configurations
• Load Ratings: 500 lbs conductor holder working load, 1,250 lbs sheave working load
• Safety Features: Emergency disconnect hook compatibility with oversized loop design
• Weight: 27 lbs professional-grade construction