Wide Application Ranges : This black laboratory inoculation loop is widely used in scientific experiments including testing, cell microbiology, and molecular biology research. Excellent Insulation : Crafted from full copper with plating and a handle, this inoculation loop provides excellent insulation for safe laboratory use. Versatile Design : The loop a detachable head that can be fitted with needle, hooks, or spatulas, making it ideal for agar inoculation in culture media. Ergonomic Handling : The coated handle ensures comfortable grip and easy operations, saving time and effort during prolonged laboratory work. Accuracy Dimensions : Measuring 22cm total length with a 14cm copper rod (4mm diameter) and 11mm handle, this microbiology tool optimal control for delicate lab procedures.