Redline Flight crank spindle bolts - these fit the newer versions of Flight chromoly cranks. Please refer to the measurements below to confirm if they fit other applications. * Size: M8 X 1.0 X 20mm (because of the flat head, 20mm in this case is also the overall length of the bolt) * Comes with a pair of aluminum alloy concave washers (outer diameter of the washer is 19mm) * Color/Finish: BLACK OXIDE bolts / Red anodized aluminum washers SOLD IN PAIRS