Round ball lug with screw. Nickel plated, polished. Anchors wooden dowel stick to rim and acts as a bracket shoe for the tailpiece bolt. Lug base diameter is 1/2" where it meets the rim, center of hole for tailpiece bolt is about 9/16" from banjo rim, lug length approx. 13/16". NOTE: Overall shape different than BA52C, especially "neck" of lug.
