• Each tension rubber band applies approximately 1.5 lbs of prehension or grip strength
• Adjust your own prehension or grip strength
• Designed for an arm amputee terminal devices
• Approximately 20 tension bands per ounce
• Works with any terminal device that requires use of your muscles to open; also called Voluntary Opening
• Made using Natural Platinum Crepe
• Made in the Thailand

Requires for application onto an arm prosthesis. All you need to decide is how many prosthetic hook tension bands you want to apply to your arm prosthesis to adjust grip strength.