Davis Instruments Fist Clamps Pair Quick. These Boating & Marine developed by Davis Instruments are built from heavy-duty transportation grade rubber that can withstand inclement weather UV rays and more. For use on your car boat or military equipment these Davis Instruments Quick Fist Tool Clamps are a simple mounting system that use #10 bolts or screws to secure item. Pick up your pair of Davis Instruments Quick Fist Closure Clamps or check out other great products from Davis Instruments on our website. Specifications for Davis Instruments Quick Fist Clamps Pair: Manufacturer: Davis Instruments Color: Black Quantity: 2 Package Contents: Davis Instruments Quick Fist Clamps Pair Davis Instruments 540: Fist Clamps Pair Quick