Best known for the strongest metal guard I have seen.  Also, the longest guard available!! Styling your pet is simple and easy with Oster’s A5 Comb Attachment 10 Piece Set. These universal combs allows you to cut your pet’s hair to a specific, uniform length and are rounded for safety. All comb sizes are designed to fit Oster’s A5 type blades, and are easy to use. Simply attach the comb to the base of the blade, pull up and secure into position