Customer Service: We provide a full refund if there are quality issues. If you have any other questions, please contact us at any time. Perfect Performance : Made of high-quality PC and metal materials, Durable and easy to clean, Medium hardness, To ensure that the face will not be scratched during use. Each comb is designed to glide through hair quickly and efficiently for saving time for both you and your client. 10 Sizes Optional: let you trim any length of hair easily on your face, These include 1/16”, 1/8”, 3/16”, ¼”, 3/8”, ½”, 5/8”, ¾”, 7/8”, and 1”. Easy to Use: with Metal Clip The Cutting Guides are accurately. High-Quality: Made of high-quality PC and Metal materials, Durable Easy to clean, Moderate hardness, and gives you the biggest protection. Adaption Model: Cutting Guides Guide combs is designed for Multiple models of Wahl/Surker Hair Clippers, Premium Cutting Guides will fit all full-size clipper blades. (Attention: Our guide combs don't compatible for Wahl peanut trimmer).