Prasertsteel Gearwrench (Flat Gear) Size 10 mm.
Gear wrench Gear wrench with open end Easy to use And reduce the time when the nut is tightened while changing the end angle. Side with gear Helps to tighten up quickly. Work done faster. Reduce work time For that version. Two ways to go back, both can be tight and tight. Loosen only adjust the button on the head only.