The Cementex Screwdriver DriveHandle, No. SD14-6-CG, includes a 1/4" square drive head, a cushion grip handle, and a 1,000V rated insulated steel shaft. This driver features a 1/4" isolated DriveHandle(R) allowing the use of a ratchet or torque wrench. Cementex's double-insulated tools comply with IEC 60900 standard and ASTM F1505 standard. They are also tested to 10,000 VAC and rated for 1,000 VAC when working on live parts. Made in the USA.