Sturgis Motorcycle Rally Collectible Pins 1983-2005, Multiple Designs, Material: Metal (brass or pewter), Dimensions: Approx 1-2 inches (2.54-5.08 cm) in diameter, Weight: Approx 0.5-1 oz (14-28 grams), Theme/Event: Sturgis Motorcycle Rally, Color: Gold, Silver, Black, Various designs commemorating different years/events.