The Park Tool CBW-1 Open Ended Metric Wrench is a small, nickel plated wrenches that can be used on brakes, derailleurs, etc. The CBW wrenches are nominally 1/8 inch (3.2mm) thick. The CBW-1 is an 8mm and 10mm open ended wrench.
Park Tool CBW-1 Open Ended Metric Wrench
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