Husky H4DTRQ 1/4" Hex 8-40 In. Lb. Adjustable Torque Screwdriver w/ Carrying Case HIGHLY ADJUSTABLE: This driver is adjustable up to .2 inch pounds of torque from 8-40 inch pounds, so you can work on your more delicate jobs with ease BIT LOCKING TECHNOLOGY: Dont worry about your bits coming loose. This has a locking collar that keeps them in place when youre applying large amounts of torque to the driver DUAL MATERIAL HANDLE: The contoured handle has some rubber molding that makes it easier to grip in slippery conditions ACCURATE: This screwdriver is rated to be accurate between +/- 8% of whichever setting you have it set to. For example, if you have it set at 8 inch pounds of torque, youre sure to have it at between 7.52 and 8.48 inch pounds CARRYING CASE: Keep your tool safe in its own molded compartment in the included carrying case