The Klein 57035 Torque Screwdriver is an adjustable, torque-limiting screwdriver with calibrated micrometer scale. Features include: -Inch Torque by feel-Inch -- Turn and click...it"s torqued to micrometer accuracy. Accurate to +/- 6-Percent plus 1/2 graduation. Graduated in 2-Inch-pound (.2 NM) increments. Torques either clockwise or counter-clockwise. Can be preset and sealed for production use. Meets MIL-H26497 specifications. Easy-release bit holder. Bits are held securely during operation, yet are easily removed when released. Aluminum outside construction for light weight and non-magnetic characteristics. Bits not included. Drive Size: 1/4-Inch Female. Overall Length: 8-Inch. Range: 2-36 in.-lb. Weight: 0.50-Pound. Warnings: Always wear approved eye protection. NOT insulated: Plastic-dipped or slip-on plastic handles are NOT intended for protection against electrical shock.