Description _x000D_ _x000D_These reusable inoculating loops feature small size and light weight, easy to control the balance and operate in your experiment operation, providing you with simple use. Inoculation loops and replacement needle tips are made of materials with good stability, heat and corrosion resistance, which can be cleaned at high temperature. A sufficient number of replacement rings can meet the needs of your use for experiment. _x000D_ _x000D_Features _x000D_ _x000D_- Color: Sky blue. _x000D_- Material: Copper. _x000D_- Size: 23.50X1.20X1.20cm/ 9.24X0.47X0.47inch. _x000D_- NoteAccessories color random _x000D_- You will get 2 inoculation rods, a total of 90 replaceable inoculation rings. _x000D_- The kit with sufficient quantity and model to meet your requirements. _x000D_- The inoculating rod is made of copper with plated surface. _x000D_- The plating layer can effectively protect the copper from being oxidized to patina. _x000D_- The replacement inoculating ring uses premium material for durability and long-lasting use.Packing list2 x inoculation rods_x000D_50 x 3mm inoculation loops_x000D_40 x 5mm inoculation loops