Ratchet sizes vary. Having different socket wrench sizes will allow you to operate. Typically, a small lever on the ratchet head switches the wrench between tightening and loosening mode. These drive fittings come in four common sizes : ⁄4.
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The drive size on a ratchet (aka: socket wrench ) is the small square connection. Feb The interchangeable design of a socket tool or socket wrench means you. Sorting socket by sizes in order from smallest to largest is not as simple as one might think. Wrench and Socket Drive Size Chart.
Mar The tables below show the commonly-available sizes of socket wrench and the fasteners they fit. The 8-pt sockets fit only square heads.