These combs are also known as Set "A" High Rail (1/2" Left Taper; 1/2" Right Taper; 1/8" Blending; 1/4"; 3/8"; 1/2")
INSERTING THE COMB ATTACHMENT: Insert the cutting edge of the blade into the Comb Attachment. Slide it towards the back end of the blade until it fits tight to the blade.
REMOVING THE COMB ATTACHMENT: Hold on to both sides of the Comb Attachment. Lift the Comb Attachment away from the cutting edge of the blade until the Comb Attachment is free.