Each cutting guide is designed to glide through hair quickly and efficiently for a smooth, time saving finish that both you and your client will appreciate. For your convenience, these Cutting Guides are color coded for each size. You get 8 combs, each with a different color and different cutting length. The lengths range from 1/8" to 1" for a full range of options with seamless accuracy. The Color Coded Cutting Guides (#3170-400) include 8 cutting guides in different colors and size and an organizer tray to keep your station neat and transportation easy. Fits all full size series blades except for competition series and 5-in-1 Magic blades.