The GEARWRENCH 11/16 in. x 7/8 in. Lineman 2-in-1 Impact Socket combines 2 common utility fastener sizes into 1 durable, impact-rated socket, helping reduce tool changes and improve efficiency in the field. Featuring Hi-Viz technology with large, color-filled stamped size markings and color-coded size bands, it delivers up to 50% greater visibility than traditional markings and markings that are up to 20% larger than standard sockets for faster size identification. Engineered for demanding linework applications, the socket features an off-corner loading design to reduce fastener rounding and a proprietary heat treatment that delivers up to 10x longer durability than standard impact sockets. Material: Steel.