ProX T-C4SH-BLK Slim Aluminum O-Clamp with Big Wing Knob — TÜV Certified Half Coupler for Stage Truss
T-C4SH-BLK Overview
The ProX T-C4SH-BLK is a TÜV certified half coupler (O-clamp) engineered for professional lighting, speaker, and rigging attachment on standard truss systems. Constructed from AI 6061-T6 aluminum alloy, it delivers a high strength-to-weight ratio suited to the demands of touring productions, concert stages, theaters, and festivals. With a 661 lb (300 kg) load capacity and a broad contact surface that distributes weight evenly, this clamp protects both the truss and mounted gear from stress and damage. It is the reliable choice for lighting professionals and riggers who require consistent, repeatable performance across fast-paced setups and tear-downs.
The slim black aluminum profile keeps the footprint minimal on crowded truss systems, while the big wing knob and included hardware set enable tool-free installation and removal without sacrificing holding strength.
Key Features
- TÜV Certified — independently certified half coupler design meets rigorous safety standards for professional stage rigging applications
- AI 6061-T6 Aluminum Construction — high-strength alloy body provides durability while keeping weight low for touring and portable installations
- 661 lb (300 kg) Load Capacity — rated for demanding rigging loads including lighting fixtures, speakers, and rigging hardware
- 1.5–2.0 Inch O.D. Tube Compatibility — fits most standard truss systems and pipes within this diameter range for broad system compatibility
- M10 Threaded Bolt Attachment — zinc chromate plated steel carriage bolt with square neck and lock-in-place design prevents slipping or shifting under load or during transport
- Big Wing Knob Design — large handle allows fast, tool-free tightening and release, optimizing speed during stage setup and strike
- Complete Hardware Set Included — ships with hex nut, flat washer, lock washer, and wing nut for immediate deployment without sourcing additional fasteners
- Broad Contact Surface — even weight distribution across the clamp body reduces point stress on truss tube surfaces
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