The Looter Laser comes in 10 colors and 4 sizes! They are premium silver with fiber-optic pieces in the middle, giving them a glow like no other lure on the market. These are what make your Looter Lures 100% customizable, and can be added to the Micro, Original, and Magnum! All you need is a pair of split ring pliers. Sizes are as followed: #2 - 19.05mm, #3 - 23.77mm, #4 - 30.15mm, #5 - 36.36mm.