TM 9-243TYPES AND USES - ContinuedSOCKET WRENCH HANDLES,EXTENSIONS AND ADAPTERS (Cont)The spin-type screwdriver grip handle has a plastic orwood handle. It is used to remove and/or install smallnuts and bolts.The socket wrench adapter is used to change the drivesize between the socket and the handle. It usuallyincreases or decreases the fractional size by one (1/4inch to 3/8 inch). The socket wrench adapter is used toincrease or decrease the drive end of a particular handleallowing it to be used with two different socket sets.Extensions are either rigid or flexible. They range from 2to 17 inches in length. Extensions may be used with anysocket handle combination to gain clearance above nutor bolt.The ratcheting adapter converts a non-ratchetinghandle into a ratchet drive. It is used for quick removal ofnuts or bolts.SPECIAL PURPOSE SOCKET WRENCHESThe four-way socket wrench has four nonremovablesockets attached to four arms. Each of the sockets is adifferent size. The four-way socket wrench is usuallyused to remove or install the wheel stud nuts of a vehi-cle. The handle construction provides extra leveragewhen loosening and tightening the stud nuts.25-7
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