Oster® 1-2-3 System™ Combs are the ideal tools for all clipper cutting techniques. * Designed for clipper over comb work * Virtually unbreakable resin provides * strength and flexibility * Heat and chemical resistant * Glide easily through hair * Static free * Sterilizer compatible Oster Master® Flattop Comb Designed for flattops, blending, tapering and clipper over comb techniques Oster Pro® Styling Comb Designed for blending, tapering, styling and clipper over comb techniques Oster Original® Finishing Comb Designed for tapering, finishing, outlining, and for trimming beards, mustaches, and sideburns