Insulated Hand Tools from Jameson provide maximum electrical protection and are suitable for working live or close to live parts at nominal voltages up to 1,000 volts. Constructed using heavy-duty injection molded Nylon 11; they are ideal for use in a wide variety of utility, electrical, and telecommunication applications. Kit comes with a tool case and includes 1/2-in. drive deep sockets sockets sized at 1/2 in., 9/16 in., 5/8 in., 11/16 in., 3/4 in., 13/16 in., 7/8 in., 15/16 in., 1 in., as well as (1) 5-in. socket extension, (1) 10-in. socket extension and (1) 1/2-in. Drive Ratchet Wrench.