About this item Compatible With for all type A5 detachable blades (sizes 10/15/30) ,compatible for most Oster ,for Wahl and Andis detachable-style clippers. (ONLY Snap on Size #10/15/30 Easy to Use Guide Comb Attachment The comb attachment can be firmly fixed to most sizes of quick shears to prevent any accidents or accidents caused by attachment sliding. Easy to use, just simply attach the comb to the bottom of the blade and pull up to secure it. d-urable and reliable. 5 Color/Size Red(1/8″3mm), Dark Purple(1/4″6mm),Duck Blue(3/8″10mm),Orange(1/2″13mm),Yellow(5/8″16mm) Feature 5 Color coded for easy identification, effortlessly glide through small, medium, and large-sized dogs and cat coats. Package Included Set of 8 stainless steel guide combs for pet grooming and a storage box .