The HB4 four-bladed cartridge comes standard on the HeadBlade MOTO and ATX models and delivers amazing performance due to its flow through design and seamless blade construction. HB4 (or HB6) blade cartridge can be used on any HeadBlade, including the original HeadBlade Classic! All you have to do is use the supplied adapter that comes in each package.
HB4 contains one adapter and four cartridges.
HB4 refill blades can be used on the HeadBlade MOTO, ATX, S4 Shark and all past HeadBlade models.