I use AQ bare jumpers: https://www.amazon.com/SET-4-GOLD-BIWIRE-JUMPERS/dp/B005A5Z758/ref=sr_1_5?ie=UTF8&qid=1519352772...
They also come silver plated. More expensive jumpers offer fancy insulation material, while bare jumpers (if you can use them) offer the best insulation available: air
They also come silver plated. More expensive jumpers offer fancy insulation material, while bare jumpers (if you can use them) offer the best insulation available: air