SW-C517S_4G - Four Smooth Star Collar Brass $39.00 Four Smooth Star Collar Brass in your choice of size Manufactured by Smith & Warren. Sold per unit (not per pair). Pin Back. Please allow 30 days for manufacture & delivery. Finish GoldNickelPinkBlueSil-RayCote D'OrRhodiumBlack Attachment Double ClutchScrew Nut & Post Collar Brass Size 15/16" (largest)0.75" (3/4")0.65"0.5" (1/2")0.38" (3/8") (smallest)