The Fishpond Headgate XL Tippet Holder has a spring-loaded design for an easy and quick motion when changing out spools. This holder allows anglers to always be prepared and carry different sizes of tippet. Just clip the Headgate XL Tippet Holder to your vest or pack and you&';re ready to fish!Anodized aerospace aluminum and stainless steelHolds 13 standard spoolsHolds five 4-inch spoolsSecure spring-loaded pull for access to change spoolsTwo rubber gaskets for keeping spools secureRemovable and durable plastic clip9 mm diameter aluminumDimensions: 6 x 3.25 in.Qty. per pack: 1.