Features Wide Application: These inoculating loops are easily manageable while being long enough to dissipate lots of heat,and ideal for laboratory, classroom, or science project. Perfect Application: The nichrome tips is ideal for selecting, inoculating, or transferring microbiological samples. Surface Treatment: The inoculating loop nichrome tips have vacuum-gas plasma surface treated, allowing liquid or solid culture medium to attach. Practical Tools: These inoculating loops are very handy for transferring to and from test tube cultures in the lab,they are really useful tools in inoculating experiment. Premium Nichrome Material: The inoculating loop is made of durable nichrome,can be flame sterilizing. Specification: Material: Nickel-chromium wire Color: As shown in the picture Size: Approx.2mm / 0.1in, 3mm / 0.1in, 4mm / 0.2in, 5mm / 0.2in(Optional) Package List: 50 x Inoculating Loop Package List