Body-Solid Tools Grip Trainers Enhance your grip strength with Body-Solid Tools Grip Trainers, featuring high-quality billet aluminum anodized handles that provide a secure, comfortable grip thanks to their sure-grip knurling. With three resistance levels (100, 150, and 200 lbs.), you can progressively increase the challenge as you build strength. Constructed with durable alloy steel coil springs, these trainers are designed for peak performance and longevity. Compact enough to fit in your gym bag, desk, or car, they’re perfect for building grip strength on the go, as well as for stress relief and rehabilitation. Features: Strength Development: Targets grip strength, forearm definition, and overall performance Durable Construction: Billet aluminum anodized handles for lasting quality Comfortable Grip: Sure-grip knurling prevents slipping during use Resilient Springs: Alloy steel coil springs ensure durability and effectiveness Specifications: Dimensions: 1” thick x 4.1” W x 5.1” H Weight: ½ lb. Incorporate Body-Solid Tools Grip Trainers into your routine and enjoy the benefits of stronger, more defined grip strength!