NO-RISK PURCHAS: If there are any quality problems, we will provide quality assurance services. If you have other questions, please feel free to contact us. SIMPLE AND CONVENIENT: The customized guide comb is easy to install, unload and clean, and comes with a box for easy storage. PRACTICALITY: Two different sizes of guide combs, including 1/8”, and 3/8”, can meet Your various needs. HIGH QUALITY: It is made of high-quality ABS and aluminum materials, with metal clamps for precise adjustment and measurement. PERFECT FIT: Cutting Guides Guide combs is designed for Multiple models Wahl Hair Clippers, Premium Cutting Guides will fit all full-size clipper blades. (Attention: Our guide combs don't compatitable for wahl peanut trimmer).