Gaugemaster GM13 Pair Connecting Leads (OO Rail Joiner/Wire) Brand: Gaugemaster Part Number: GM13 Scale / Type: HO / OO Scales These OO Gauge leads have fish plates at one end stripped and bare wire tinned on the other, wire colours are Black and Orange and measure 1m in length. The fish plates are compatable with Peco code 100 track, Hornby and others. The wire used on this product is the same as the GM11 wire which measures 7 x 0.2mm with a manufacturers spec of 2.0A