Versatile Design: The loop features a detachable head that can be fitted with needle, hooks, or spatulas, making it ideal for agar inoculation in culture media 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 Ergonomic Handling: The coated handle ensures comfortable grip and easy operations, saving time and effort during prolonged laboratory work Wide Application Ranges: This black laboratory inoculation loop is widely used in scientific experiments including microbial 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, Manufacturer: RGYBAO