#30 pop off blade. Fits km2, switch blade (1/32 cut). #30 competition series blade. Fine (1/32 ) for trimming around face and ears. Fits km2 & switchblade and other major brands. Fine cut is standard show trim for show trims, equine and dog. Dimensions are 1.375 X 3.875 X 5.375 UPC Code = 043917233406