You can unscrew the rusted bolt more easily. The spiral socket design allows a secure connection to the rounded-off fastener to be extracted. 10 x Nut Removal Sockets. 2、Application: These Locking Socket Tools fit hex heads sized 9, 10, 11, 12, 13, 14, 15, 16, 17, and 19mm, and fit outside hex sizes 16mm,16mm, 17mm, 19mm, 19mm, 21mm, 22mm, 24mm, 24mm, 27mm.
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