This replacement pack features 4 Triple-edged blades with lubricated strips, 1 caliper and 2 adaptors. 4 ct. Triple-edged replacement blades for the HeadBlade Sport, with lubricated strips. One blade removal caliper for easily removing the blades from the cartridge. Two replacement razor adaptors that each easily lasts for 6 months to a year. Directions: Always use enclosed caliper to remove blades from cartridge. Blades can be reversed on the razor for face or leg shaving.