DESIGNED TO INCREASE YOUR GRIP STRENGTH: Increase your grip strength, provide the perfect way for building up hand strength and increasing your grip. As your hands become stronger, youll be able to lift heavier weights. PERFECTLY KIT FOR PROGRESSION: Pack of 3, 150lbs, 200lbs and 250lbs. 3 different weights represent 3 training levels, helps you can feel the strength promotion of your fingers, wrists and arms step by step. PREMIUM QUALITY & DURABLE: Made of top grade, durable aluminum knurled handles and high quality spring. The aluminum handles are strong yet lightweight, gentler on your hands while still providing you with a great workout. EXERCISE YOUR HAND ANYTIME ANYWHERE: Thanks to its pocket size, you can take these hand grips with you and exercise everywhere you go.You can use these while youre at the office or even in trip, it turns your downtime into a productive workout session. IDEAL ITEM FOR DAILY STRENGTH TRAINING: Great for finger, wrist & forearm training, building up hand strength ,increasing grip and the flexibility of fingers for climbers, basketballers, tennis players and even e-sporters. As your hands become stronger, creat hands of steel.