Color Coded: Each guards with a different color and different cutting lengths. Grab quickly based on the identity of color. Please note that the color are randomly assigned. Packing Includes: You get 12pcs guards. Guard Number: #0 to #8, Clipper Guards (Length: 1/16” to 1”). Compatible with Andis Models: AAC-1 (Pro Alloy/ Pro Alloy Fade), GC (Deluxe Groom Clipper), LCL (Corless Envy Li), ML (Master/ Master Fade/ Master Cordless), PM-1 (Elevate/ Speedmaster), PM-2 (Elevate/ Experience), PM-4 (Easy Clip/ Promotor), RCAC (EasyCut/ EasyCut+/ EasyClip/ Groom Perfect), RS-1 (Headstyler), US-1 (Envy/ Beauty Master+/ Tackmate). Compatible with Other Models: Oster Fast Feed. Fits for Blade size: 1.8" x 1.6" (45mm x 41mm). It is recommended to measure the blade on the hair clipper before purchasing to avoid the problem of model mismatch.