Thank you for viewing. This is a bead head bug with a hook size of #10 and weight. If you win the auction, please select 10 colors of your choice. Each square in the photo is 1 cm. Thank you. Please take a look at my other listings if you'd like. Size: Hook size #10 barbless, with weight (the weight is made by winding 0.025 inch red wire 5 times) Approximately 0.15 grams when dry. Colors: Bead colors are gold, silver, and red. Fly colors are, from the top left: black, white, brown, natural, olive, emerald, red, orange, salmon egg, fluorescent pink, pink, yellow, chartreuse, gray, purple, and blue. If you have any other requests, please contact me via the question section. I will try my best to accommodate your requests.