SmartStrings "String Bars"
Please note that this item is sold as one String bar. Two of these bars fit together to make one "axle set". The SmartStrings kit contains two axle sets (4 bars total). You will need to order two bars to make one "axle set". If you need two axle sets you will need to order 4 bars.
Each bar comes with an anti-jamming fiber washer and connecting threaded stud.