257 SOCKET WRENCHFor safety useFor safety use, please read the following attentions carefully before using tools.The plastic handle is not insulated. Always shut off the power supply to prevent short-circuit accidents and electric shock accidents during electric work.Please use tools in original purposes.Always use the right size for the fastener head.When using socket, please insert it until the nut is covered completely. (fig.1)Sockets and attachments are hand tools. Do not use them with power tools. (fig.2)Use ratchet handles slowly.Switch over the direction completely. Otherwise tooth of gear may be breaken or gearing system may be idled. (fig.3)If dust gets inside the ratchet handle, the gear may not move smoothly. Please check it regularly.Please do not add pipes to the handle of the wrench otherwise it will cause breakage of tools because of overload. (fig.4)(ratchet handles, spinner handles, other handles)WARNINGCAUTIONfig.1fig.2fig.3fig.4Please do not strike the grip of ratchet handles or spinner handles. (fig.5)Please do not use tools as hammer.Please insert the square drive completely. (fig.6)Please use socket handles that fitting socket, if the size is different holding mechanism will not work.Strong shock will cause malfunction of holding mechanism.Strength of joints is about half of the rachet handle's (JIS and ISO), because they are composed of output square drive and input square drive, so the power transmission rate is not good. Do not use joints roughly. (fig.7)fig.5fig.6fig.7Manual socket wrench kindsFor strong tightening and loosening work please use the standard type extension bar. Swivel extension bars is about half of strength compared to the standard type of extension bar.GapGapConvex DriveConcave Drive
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