Awasome Hair Cutting Machine Blade Sizes References. Hopefully, you find this useful to reference when getting a.web A number 2 haircut/clipper guard will cut hair to 2/8″ (or 1/4″).

Clipper blade sizes tell you how long the hair will be after cutting. When men ask a barber for a number 1 or 2, they are asking for a certain guard size to be used. Oster hair clipper blade sizes source: