Wahl Professional #3 Cutting Guide in black delivers a precise 3/8" cutting length for consistent, professional results. Compatible with all full-size Wahl Professional blades (excluding Competition Series and 5-in-1 Magic Blades), this guide is an essential accessory for barbers and stylists who demand reliability. Model #3134-001 fits seamlessly into your existing Wahl clipper system, making it easy to maintain uniform cuts and build client confidence with every use.