Slide the Power Grip adapter into the drill or cordless screwdriver chuck. Then plug the Power Grip universal nut onto the adapter. Make sure that the universal nut & adapter are locked in place. Now place the Power Grip universal nut on the screw/hook/nut, & carefully tighten or loosen it using the drill or cordless screwdriver. To change the direction of rotation, change to the desired direction on the drill. You can clean the Power Grip universal nut & Power Grip adapter with a moist, soft cloth. Do not use scouring agents or caustic cleaning agents. Hammersmith Power Grip Ratchet is a single tool that can replace 30 tools! This socket wrench can grip any nut, bolt or hook up to a width of 19mm using the same socket head, no need to find a new tool for each size or manual adjustment, same product, a number of uses! It will even grip old or worn-down bolts that standard tools will just slip off by using its revolutionary spring-loaded chrome-vanadium steel pins, contained within a large socket casing, that lift & grip to accommodate any size or shape of nut or bolt. Just place Hammersmith Power Grip over the head & let the pins find the perfect fit & grip, every time! The Power Grip Ratchet handle uses non-slip technology for maximum power transmission optimum grip to get the job done first time with minimal effort. Power Grip is also compatible with a power drill, simply remove the socket head from the grip & use the adapter to attach to a power tool for even faster results! Content: 1 x Hammer Smith Power Grip Ratchet