These are five #2 Medium Duty Blades from Revell.
FEATURES: For trimming and cutting medium weight hobby and craft materials
INCLUDES: Five #2 Medium Duty Blades and Storage Case
REQUIRES: #2 Knife Handle, RMXR6920
BOX DIMENSIONS: 1.75" W. X .50" H. X 8.38" L. BOX WEIGHT: .03 LBS.