The PECO SL-310 Metal Conducting Rail Joiners are specifically designed for N/OO-9 rail, featuring a fishplate track form and silver colour. Made in the United Kingdom, these N gauge rail joiners are ideal for model railways and trains enthusiasts looking to enhance their collection with high-quality accessories. The PECO brand is known for producing reliable and durable track components, making these rail joiners a valuable addition to any railway layout. From my late father’s extensive collection. Been stored for years.