5x Wahl Color-Coded Clipper Guide #4 - 1/2" #3144-1003 The #4 Cutting Guide comes in Orange (3144-1003) and measures at a cutting length of 1/2". The Wahl Professional Cutting Guides fit all full-size Wahl Professional blades excluding the Competition Series and 5-in-1 Magic Blades.MPN:3144-1003x5UPC:043917314433