Feature:1. Made of high quality stainless steel, therefore these snake sexing probe have smooth surface and will not rust.2. Due to careful selection of materials, these reptile snake sexing probes are safe, non toxic and anti allergic.3. All snake sexing probes in the suit are designed with round heads, so the smooth surface will not harm the snake.4. The set contains five snake sexing probes of different sizes, which can cope with sex detection of snakes of various sizes.5. This kit is equipped with a storage box, which is convenient for you to store fine needles to avoid loss and easy to carry.Specification:Item Type: Snake Probe KitMaterial: Stainless SteelApplicable Range:XS Scope of application: Approx. 50cm/1.6ft SnakesS Scope of application: Approx. 50-100cm/1.6-3.3ft SnakesM Scope of application: Approx. 100-180cm/3.3ft-5.9ft SnakesL Scope of application: Approx. 180-300cm/5.9-9.8ft SnakesXL Scope of application: Approx. 300-550cm/9.8-18.0ft Snakes.Package List:2 x XS Probe1 x S Probe1 x M Probe1 x L Probe1 x XL Probe1 x ManualNote:Please read the instructions carefully before use; curved probes cannot be used; please check whether the probe surface is clean and smooth before use; clean and keep dry after use; please place the probes away from children.