Checkline AWS ILTT [ILTT-150F] Inline Torque Tester, 15 - 150 Lb-Ft, 1/2" Sq. Dr. 12 Ranges Available up to 5000 lb-ft. The versatile AWS ILTT Inline Digital Torque Tester converts any non-impacting torque tool into a complete torque measuring & analyzing system, simply connect the tester to the square drive, attach a socket and measure clockwise or counter-clockwise torque. The AWS ILTT is suitable for use with any hand tool or non-impacting power tool including torque wrenches, breaker bars, nut-runners and more. Internal NiMH rechargeable batteries provide 8-10 hours continuous use. The ILTT takes just seconds to change test parameters, and works in either one button or automatic modes of operation. Reliability and ease of use are enhanced with features such as: Sign Lock, Peak Blanking and Auto Clear. Note: Not for use with Impact Tools.