SWA 10RER Red Ring Terminals. SWA is one of the UK's market leaders when it comes to manufacturing essential cable terminations, fixings, tools, and fastenings. With over 25 years' experience, SWA is a name associated with quality and reliability within the electrical industry. The SWA range of pre-insulated terminals offers a wide variety of styles and sizes. All products in the range are polyvinyl chloride insulated and have easy entry apertures for quick cable insertion. The quality of the materials and manufacturing process ensures consistent crimping performance. The SWA 10RER is a red ring terminal for 0.5-1.5mm cable with an internal ring diameter of 10mm. Please note this item is priced per 100 pieces, i.e., an order for 1 each will receive 1x pack of 100.