Adjustable Jaw Design: With their respective groove design and worm gear, the adjustable groove joint pliers and wide jaw wrench can be freely adjusted to different opening sizes; The max openings of 4 pliers are 1’’, 1-1/2’’, 2’’, 2-1/4’’; The max openings of 4 wrenches are 13/16”, 1-1/16”, 1-3/16”, 1-7/16’’.
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