Premium Grip Training Tool: The gold standard of grippers, this is the single best tool for increasing grip/hand strength Top-Quality Construction: Features proprietary spring technology with knurled aircraft grade billet aluminum handles Legendary Build Quality: Durable, precise and gorgeous Progressive Resistance Levels: Available in 11 different strengths, providing a custom fit from rank beginner to World's Strongest Man American Craftsmanship: Made in the USA by IronMind, the trusted leader in grip strength equipment since 1988 Versatile Training Applications: Suitable for grip strength specialists, competitive athletes, fitness enthusiasts, rock climbers, martial artists, special forces, hand gun shooters and anyone looking to improve hand and grip strength Professional Grade Equipment: Transforms grip training from basic exercise into serious strength development with precision-engineered, progressive resistance - backed by the top training support and customer service in the industry If you could choose only one grip training tool, this is it: Captains of Crush are the gold standard of grippers and are designed to give you the biggest gains in the shortest time. This is the gripper that changed the world as it took what had largely been a plastic plaything and turned it into a grip training tool that is serious, high-quality, and suitable for everyone from rank beginners to World's Strongest Man winners. Legendary design and build quality, with 11 strengths to choose from. Perfect for standalone training or used in conjunction with Zenith or IMTUG grippers, also from IronMind. Comes with complete training information, backed by IronMind's expert, ready-to-assist customer service.