Durable carbon steel construction for long-lasting use in professional rigging Meticulously engineered for M8, M10, and M12 sizes, ideal for various tasks Features cross holders for wingnuts and setscrews, ensuring versatility Designed to tighten both large and small wingnuts without damage Includes additional tools like a key chain, bottle opener, and flat screwdriver High-quality multi-spanner from reputable brand Kupo, known for reliable photography equipment and accessories