Bondic Fly Tying UV Head & Body Cement - Glue Pen With Clear Curing Resin. Dries Instantly and Waterproof Allows infinite work time, only hardness when cured with included UV light Never drys out, over 80 drops. Cures clear in only 4 seconds when hit with the UV light Can be used as head or body cement replacement. Even for fixes to your fishing pole or lures! Better than any fly fishing / tying adhesives or epoxy. Bondic works best! Fly Tying Kit includes : Bondic 4gram tube of liquid plastic with applicator and one LED UV Light