Works with DL489, DL429, DL429B, DL419, DL389B, DL379B, DL479, DL469, DM505, DM515, DM525, DM393, UTL291, UTLDM1, UTLDM2, UTL33T, DMEG3, IRT3

Fit industry standard input jacks

Standard test set when the current ones get damaged and are no longer usable