The inoculation holder is made of bakelite handle and nickel plated brass rod,the inoculating loop is made of nichrome,can be flame Easily manageable while being long enough to dissipate lots of heat,and good for hours of back-to-back platinge Heat the loop until it glows then let it cool for about thirty seconds before touching your culture.Don't autoclave the bakelite handle,it can always be disinfected with ethanol The grip portion of the handle is pliable and soft,highly and solid product without being overly heavy and a chore to use Vacuum-gas plasma treated, allowing liquid or solid culture medium to attach.These inoculating loops are very handy for transferring to and from test tube cultures in the lab,they are tools in inoculating experiment. Colour: Black+Silver Material: Metal Package Contents: 16 x 8.8inch(22cm) inoculation rods 400 x 10ul inoculating tips(3mm diameter twisted wire loop and 65mm long) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.