3 x REV1 1 x REV1Mini Used on Helix's to reverse the polarity of trains moving from one level to the next. No longer needed as I've dismantled the helix's The BLOCKsignalling REV1mini Automatic Reversing Loop Module is a digital control module designed for model railways and trains, specifically for gauges such as OO/HO and N. This UK-made product from BLOCKsignalling allows for automatic reversal of loops in model railways, providing a convenient and efficient solution for train enthusiasts looking to enhance their layout's functionality. With its compact size and reliable performance, the REV1mini is a valuable addition to any model railway system.
