The GUM B.Proxabrush Handle 605 is a professional interdental brush handle designed for use with GUM Proxabrush refills. This blue handle features an ergonomic design for comfortable grip and precise control during interdental cleaning. This is a personal hygiene product that comes packaged with the handle only. Compatible brush refills need to be purchased separately. The handle is designed to work with GUM's range of Proxabrush refills for customized interdental cleaning based on individual spacing needs.