Knitter's Pride Dreamz Interchangeable tips are color coded by size to make keeping track of your needles a breeze. We love the smooth finish and nicely pointed tips. Be sure to add the Interchangeable Cords to complete your Needle Tips into sizes 20 - 60" lengths. Use the pin included with your cords to ensure a secure connection. We reccomend the Dreamz Special shorter tips with the 16" cords.