ELS   bow button+screw+eyelet for violin bow, nickel plated, with eye

ELS   bow button+screw+eyelet for cello bow, nickel plated, with eye

ELS   bow button+screw+eyelet for bass bow (French style), stirling silver, with eye, ebony core

ELS   bow button+screw+eyelet for bass bow (French style), solid stirling silver, no eye, ebony core