Captains of Crush® Grippers - IronMind
https://www.ironmind.com/product-info/grip-strength-training-tools/captains-of-crush-grippers/
WebMade in the USA and known worldwide, nothing else puts power in the palm of your hand like a Captains of Crush gripper. Knurled aircraft-grade aluminum handles, pioneered by CoC grippers in 1995. GR8™ springs found only on CoC grippers and IMTUGs: accurate, precise, durable. Precision manufacturing, world-class performance, feel, and appearance.
DA: 61 PA: 59 MOZ Rank: 79