#1 Premium Cutting Guide (1/8"). From Wahl Professional’s line of products, the Premium Black Cutting Guides were designed for professional use with Wahl Professional full-sized clippers (excluding detachable blade clippers). Secure, smooth, and precise, the Premium Cutting Guides are a must-have for every busy barber or stylist.

• The metal clip ensures combs’ lasting fit to the blade, preventing haircutting accidents in the salon or barbershop
• Glass and mineral-filled plastic seamlessly glides through hair for a smoother cutting experience
• Rounded comb teeth provide a more pleasant cutting experience to clientele
• Fits all Wahl vibrator clippers
• This is #1 and cuts to 1/8" or 3.0mm