Systainer T-Loc Catch Signal Green Replacement catch for your Systainer Specifically designed for the Systainer T-LOC 1-5 and the MIDI T-LOC 2-3 Replacement catch for your Systainer Specifically designed for the Systainer T-LOC 1-5 and the MIDI T-LOC 2-3 Take your Systainer organization to another level by color-coding the front catch