This channel/reverb switch replaced a long-lost footswitch for my Marshall JCM900 50watt Dual reverb combo. The box is made of a very durable metal,the switches are positive and cable length is long enough (about 5 metres) . It would have been nice to have LEDs for each function. Before I bought it I contacted Marshall in UK to establish which footswitch was compatible with my combo, but apparently this is the only footswitch that works with my combo; they do not make one that has LEDs for my combo.