Wahl Blade Set S.Taper/P.Clip/T.Small/Acad Mains has a 2 hole screw on blade set is used on most professional clippers with a taper arm and offers good all round barbering. When this blade set is used on the cordless super taper it is secured with T20 Torx screws. Blades can be sharpened. Comes with: Pro Clip, Super Taper, Taper 2000, Academy Mains Clipper, Cordless Super Taper, Icon.