Andis 21420 Pro pet clipper 7 piece pro-animal clipper kit has a sturdy hard case for storage/travel There are 13 additional AG blade sets that are available which adds to the versatility of the clipper. Oster A5 blades are also interchangeable. It has a quiet, powerful rotary motor that is maintenance free The kit includes four snap-on comb attachments in sizes: 1/8", 1/4", 3/8", 1/2" . The blades are detachable for ease of changing and cleaning. The clipper is equipped with AG blade size 10 blade (Medium cut for general close clipping). It features break resistant housing, and is contoured to fit your hand.