Essex Magnet Wire 22 AWG Gauge Enameled Copper Wire - 10 LBS UL recognized class 200 Product (High temperature Class: 200C/392F) Premium quality Essex magnet wire in original factory spool, Conforms to NEMA MW-35C standard Insulation type: modified polyester basecoat and an improved polyamideimide topcoat AWG size: 22 AWG, round. Average Shipping Weight: 10 lbs Insulation build: heavy build, more durable than single build