The pack contains two 2.5mm x 15mm isotopes which come on a strip with seven different sized collars. The rod collars are made in a fluorescent green and will fit a wide range of quiver tips and rod t...» more info

These Isotopes are mega bright and will last at least 10 years. All you do is glue them in the slot on the Hot Head Hangers Available in Green or Blue...» more info