Dura-Ace 7710 NJS Crankset

Cranks have never been used, the right crank arm is even still in the original air-sealed bag.
The original center bolts are also still in the original sealed bag.
 
Overall a fantastic crank, and is still used at a high level by many pro riders.
 
Shimano Dura Ace NJS 
144BCD
172.5 mm arm length.
 
(The photo shows a few small raindrops, these are not imperfections.)