[Features]● Screw holes can be provided where there are no screw holes. ●The two-handed handle makes it easy to apply force and enables reliable caulking. ●Nut material can be used not only for aluminum but also for steel. ●M3-0.5, M4-0.7, M5-0.8, M6-1.0, M8-1.25, M10-1.5 nuts can be used.