[Smart Counting Grip Strengthener]Our hand grippers are equipped with the latest counting function, which works a without a battery and Clear automatic counting function to easily track progress and set new goals.. (Press the button firmly to count automatically, and rotate the button to clear the digitals) [Reliable Grip Strengthener] The hand grips for strength training, made of the latest upgraded material, have a longer handle than others, which is more convenient to hold. In addition, the handle material is strong and durable, which perfectly avoids the problem of the handle breaking during exercise! [2 Fully Adjustable Grips]Easy to adjust the strength between 11 to 200 LBS(5-100kg),which Convenient for increasing Finger Grip Strength Training. No matter you're women or men, kids or adults, beginner or an experienced person, you can start grip training anytime and anywhere. [Compact and portable ]The hand grips size is 6.6 x 4.3 inches(16.8 x 11cm), Compact and portable design for convenient use or . Show off to your friends and family thanks to our simple, adjustable grip strength trainer! Great for men and women. Everyone will look and feel better with our premium hand gripper adjustable ! Specification: Item Name: Hand Grip Strengthener Strength:5-100KG (11 - 220 lbs) Features: Adjustable, Digital Countable, Heavy Duty Size Details: L: 16cm/6.3 inch, W: 11cm/4.33 inch (.) Material: PP+metal colour: red Package Contents: 2 x Grip Trainer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.