Aluminum Alloys Grip Strength Device Light Weight Hand Strengthener Finger Strength Device Gym Fitness Grippers Expander

Make from aluminum Alloys and spring steel for durability and resilience. High density metal spring, with good toughness, deformation, and fractures resistance. Grip handle adopts a patterned knurled design, which nonslip and have stable grip strength. Aluminum Alloys Grip Strength Device Light Weight Hand Strengthener Finger Strength Device Gym Fitness Grippers Expander. Features: Make from aluminum Alloys and spring steel for durability and resilience. High density metal spring, with good toughness, deformation, and fractures resistance. Grip handle adopts a patterned knurled design, which nonslip and have stable grip strength. Mainly used for finger exercise, with various grip exercises to alleviate and improve finger muscle joint strain caused by long terms use of mobile phones and mice in daily work and life. Easy to carry, making it great for strengthening exercises. Specifications: Materials: Aluminum Alloys and Spring Steel. Style: Male/Female/Black/Silver. Male/Female Grip Len