Individually tested to exceed the IEC 60900 and ASTM F1505 standards for insulated tools and clearly marked with the official 1000 volt rating symbol. Two layers of insulation provide protection against electric shock. Thick, exceptionally tough, high dielectric white inner coating is bonded to the tool. Has a flame retardant, impact resistant, bright orange outer coating. Hollow shafts make it possible to work on stacked circuit boards or other long bolt applications. Cushion grip handles for greater torque and comfort. Patented Tip-Ident® quickly identifies nut driver size. Handle end is also color coded for easy identification.

Available in the following sizes:
646-3/16-INS; black color code; 3/16″ hex size; 3″ shank length; 6 3/4″ overall length.
646-1/4-INS; red color code; 1/4″ hex size; 3″ shank length; 6 3/4″ overall length.
646-5/16-INS; yellow color code; 5/16″ hex size; 3″ shank length; 6 3/4″ overall length.
646-11/32-INS; green color code; 11/32″ hex size; 3″ shank length; 6 3/4″ overall length.
646-3/8-INS; blue color code; 3/8″ hex size; 3″ shank length; 6 3/4″ overall length.
646-7/16-INS; brown color code; 7/16″ hex size; 3″ shank length; 7 5/16″ overall length.
646-1/2-INS; red color code; 1/2″ hex size; 3″ shank length; 7 5/16″ overall length.
646-9/16-INS; orange color code; 9/16″ hex size; 4″ shank length; 9 3/8″ overall length.
646-5/8-INS; yellow color code; 5/8″ hex size; 4″ shank length; 9 3/8″ overall length.