This product is the W&T / Smiths LP5 Smiths Screw Link Couplings in OO Gauge. It is made of brass and steel and comes in a pack of 4. This item is from the brand W&T / Smiths and has a bronze colour family. This product is suitable for various modelling and radio control hobbies, including Scalextric, Hornby, Sylvanian Families, and Tamiya RC Cars. It is also compatible with LEGO and plastic model kits.