Thank you for viewing. These are #10 hook size, deer leather trout gums. If you win the auction, please select 10 colors you would like. One square in the photo is 1cm x 1cm. Thank you. Please take a look at my other listings if you'd like. Size: Hook size #10, barbless, approximately 0.4 grams when dry. Color: The bead color is gold. The fly colors are, from the top left: black, white, dark brown, brown, natural, blue, sky blue, purple, orange, red, pink, light pink, yellow, lemon yellow, green, olive, lime green, gold, silver, and bronze. If you have any other requests, please contact me through the question section. I will try to accommodate them as flexibly as possible. Fishing type... Fly Fishing type... Lure Fish species... Trout / Salmon / Silver Salmon Features... For area trout, handmade, sinking