Wing nuts provide more leverage than spade-head thumb screws for greater torque while tightening. Length is measured from under the head.
Use them for fender strut attachment, or other low weight stuff. Don't use them for racks. They'll also work as replacements for the stock d-rings on Silver shifters.
aka - wingbolt, wingnut, wing nut
Rivendell Bicycle Works • Ever Since 1994
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