Description: The adapter screw is designed with one end of 1/4", and the other end of 3/8" made of metal material, with silver plated surface. Specification Inner Thread A:1/4"Outer Thread B:3/8"Maximum length : approx 7mmMaximum width : approx 9mmSuitable for all kinds gears with 1/4"or 3/8"screw hole.Package Content: 2 x adapter screw .
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