Welcome to Phecda Sport ShopFly Tying Material ·20 Spools Fly Tying Tinsel Thread. ·Height of Spool is 43mm (Large Spool) or 30mm (Standard Spool). If you don't use the bobbin holder, you can buy large spool. the length is about 70m. If you use with bobbin holder, you can choose standard bobbin, this one has 50m in length. ·Bright Colors and Deep Colors. Can be Used to Steel Head Flies or Tie the Body of Flies. Widely Used in Tying Flies. Our Shop Mainly Provide High Quality Fly Tying Tools, Fly Tying Materials, Fly Hooks for Fly Fishing. Also, We Provide Fishing Lures, Fishing Hooks, Fishing Swivels and Other Fishing Accessories. According to buyer's choice of size, colors and quantity, we carry a wide range of Tools and Materials for Fly Tying such as Bobbin Holders, Fly Tying Vise, Rotary Whip Finishers, Dubbing Twisters, Bodkins, Bobbin Threaders, Hackle Pliers, Scissors, Hair Stackers, Retractors, Chenille, Fly Tying Thread, Floss, Mylar Tinsel, Fly Dressing Materials, Flashabou, Fur, Feathers.If you have the quetion about the product shippment, sale and guarantee policy, kindly please contact us by email, we will pay attention and reponse as soon as possible. Enter the world of Fly Tying and explore our range of products.