Two-piece electrolysis insulated probe. Made of surgical steel with medical-grade teflon insulation half way to the tip of the probe. Ideal for blend and thermolysis during deep insertions. Superior efficiency and skin protection. Includes the Sterigard protective collar and a micropolished tip to facilitate insertion. Sterile and individually wrapped. Box of 30 probes. Size available from 1 (very fine hair) to 5 (coarse hair). F or K shank available (according to your probeholder type).