This TECHSPAN product, model R4B14SM, is a high-quality PVC ring terminal designed for reliable electrical connections. Supplied in a convenient 1000-pack, these blue terminals are suitable for wire sizes 16-14 AWG and feature a 1/4 inch stud size.The TECHSPAN R4B14SM is a blue PVC ring terminal. It is designed for use with wire sizes 16-14 AWG and has a 1/4 inch stud size. This product is supplied in a pack of 1000.