Litz wire 60/44 for Amateur & Crystal Radio coil, Double layer insulation, 200' (LITZ60/44)

Double layer nylon for the outside insulation and polyester insulating film for each copper strand

The recommended operating frequency for Litz wire with AWG 44 strands is 350 KHz to 850 KHz, best for make High Q Coil, trap, etc... for Amateur radio and Crystal