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Naked Prosthetics’ solution for amputations at or proximal to the MCP joint.

The GripLock Finger is designed for digits two through five and is a passive positionable digit prosthesis. It is intended for use in conjunction with a custom fabricated socket which is fit by a certified prosthetist.
Users can position the finger into varying degrees of flexion by using their opposing hand or a hard surface. The Griplock Finger can then release to full extension by depressing the dorsal pawl (lever) or flexing past last locking position. Adding a GripLock Finger can restore length, encourage bilateral hand use, prevent metacarpal deviation and be a valuable tool for participation in activities of daily living.
This device can be worn in combination with our MCPDriver, PIPDriver and/or ThumbDriver, and is offered in the same colors and design choices our users love.
- Field serviceable fairings
- Silicone fingertip pad
- Machined aluminum
- Case-hardened stainless steel
This design is optimized for high load carrying capacity.
The GripLock Finger weighs in at an industry best of 25 grams and a break strength of over 200lb.
GripLock Finger – Full Finger Prostheses | |
Limb Difference Level | At or Proximal to the MCP Joint |
Load Rating | 200+ lbs |
Device Rating | 25 grams |
Cycle Life | 300,000 cycles min |
For more information on ordering, fitting, color options or finding a prosthetist, please contact our Customer Care Team.
Ask us about our Conductive Tip to allow interfacing with smartphones, tablets, and other touch-related systems with relative ease.
For downloadable information: RESOURCES
“After discovering Naked Prosthetics, Steven knew he had found what he was looking for!”– Westcoast Brace and Limb
HOW TO GET THE GripLock Finger.
Once insurance approval has been obtained, the prosthetist will request a Naked Prosthetics sizing kit and complete a full evaluation of the patient. Using the sizing kit, the prosthetist will complete the intake forms as directed and submit all information to Naked Prosthetics, where our engineers will design and manufacture a custom, functional finger prosthesis individualized for the patient’s needs and anatomy.
For more information on ordering, fitting, color options or finding a prosthetist, please contact our Customer Care Team. For downloadable information: RESOURCES
“It surprised me how easily adjustable it is.”– Oscar, GripLock Finger wearer
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