Features: Precise Measurement ： concentrated hand grip strength measuring device with advanced detection technology, measuring capacity of 0.2 pounds/0.1 kilograms and upper threshold of 396 pounds/180 kilograms for consistent tracking. Adjustable Handle Design ： Features an ergonomic curved shape with customizable handles to fit various hand sizes, ensuring firm grasp and comfortable testing experience. Multiple Data Tracking Modes ： Stores up to 19 individual records, captures strongest grip readings, and automatically displays comparison with previous results for progress monitoring. Clear LCD Display ： Large screen shows complete information including gender, age, grip measurement, variation display, comparison difference, and strength classification for easy reading. Portable & Versatile ： Compact ABS plastic construction (7.7x5.1 inches) weighs only 0.49kg, ideal for fitness routines, athletic exercises, and clinical applications to assess muscle function and recovery progress. Specifications: Color: black substance: plastic Item weight: 0.49 kg fashion: Grip strength trainer Tension stage: Heavy Product Dimensions: 7.7" long x 5.1" wide Package Includes: Grip strength trainerx1 note: Before using the accessory, please check if it is compatible. Pay attention to the storage methods.