USED Chainring Bolt Set Shimano FC-M970 M8x10.1 4 Pieces

Photo is a stock photo of new bolts.  These were taken off of a Shimano Ultegra FC-6800 crank, but they may fit other cranks as well.  Takes a T30 torx wrench and they go into the big ring from the back of the small ring.  No nuts involved