General description Neilsen Universal Swivel Impact UJ Driver Deep Socket Set is designed for versatility and durability. This 10-piece set features a ball swivel action that allows easy access to sockets in tight corners, making it ideal for various applications. Technical specifications Material: Drop forged, heat treated chrome molybdenum steel Finish: Durable phosphated finish Drive size: 1/2 inch Socket sizes: 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm Design: 6 point swivel metric sockets Usage The radius corner design of the sockets contacts only the flat surfaces of the fastener head, which helps to eliminate rounding off corners and extends the life of fasteners.