Adjustable Book-Style Hinge F34 (0°-180°) The Adjustable Book-Style Hinge F34 (0°-180°) is a truss rigging accessory built for secure connections in professional event production. Compatible with standard F34 and comparable profiles, it streamlines setup and teardown on tour. Key Features Aerospace-grade 6082-T6 aluminum for optimal strength-to-weight ratio Conical coupler connections for fast, secure rigging TUV Rheinland certified for professional load-bearing applications Compatible with industry-standard clamps and accessories Ideal For Production companies, rental houses, and venues that need dependable truss hardware for quick load-in and safe overhead rigging.