Non Replaceable Loop Diameter : 2mm, Handle Length : 8 inch (Approx), Overall Length : 11 inch (Approx) Wire Material : Nichrome, 25 Guage, 2.75 inch (Approx). Insulated PVC Grip. Ideal for selecting, inoculating, or transferring microbiological samples. Made from astm- standard (b167-11) quality nickel-chromium alloy wire. Loops slide along agar surfaces without cutting or tearing material