This Collins 516F-2 / 516F-1 Replacement 1 Henry Choke for L3 is BRAND NEW and  Made in the USA. I had a high quality Transformer company make a run of these 1 hry chokes for my company so I can keep stock for those who may need them. This Choke for the Collins 516F-2  and 516F-1 power supply, Is actually made with modern materials, and is better than the  originals!  This listing is for (1)  1 henry choke.