Check the listing for details. Tungsten Fine Wire, 0.018" Diameter, 100m/Spool. Condition: New. Listed at 449.99 USD. New Midwest Tungsten Service fine wire. Specifications: Length: 100+m Diameter: 0.018" (0.457 millimeters) Midwest Tungsten P/N: .018" W Wire Wire is clean and straightened. This wire, along with all sizes are stocked for immediate delivery. Orders will usually ship same day if we receive the order by 1PM CST. Otherwise, your order will ship on the next business day. Wire conforms to ASTM F288-96, Type 1A. Uses include medical devices, corona generation, vacuum heating elements, and thermionic emitters. Volume discounts are available for purchases of 5 spools or more and for large quantities of self-coiled wire (.020" diameter and above). Contact us for more details. Thank you for understanding that it is not economically feasible for us to sell package sizes smaller than what is listed here.