Pulley-Arm with Rollers for 60x60mm square tubingThe Pulley Arm with Rollers is a heavy duty attachment designed to integrate with 6060 mm square tube dungeon furniture systems. This module adds mechanical functionality to your setup enabling rope, chain or strap bondage to be routed cleanly through rollers, allowing for smoother lifts, tension, and suspension style setups. Features & Benefits Roller equipped pulley arm: Built in rollers guide ropes, chains or straps reducing friction and allowing