The needle body is made of high-quality stainless steel wire, and the end is thin and pointed, which is convenient for inserting the worm body. The small needle cap at the top facilitates manual insertion and movement of specimens.
● Material: stainless steel; ● Color: silver; ● The length is 40mm; ● Diameter: 0.27mm, 0.29mm, 0.32mm, 0.38mm, 0.45mm, 0.56mm, 0.71mm; ● There are two needle caps of copper and polypropylene resin to choose from, 0.45mm, 0.56mm, 0.71mm;