[Features]● Can be exchanged with an angle-free cap. ●The maximum tightening pressure is 12kN when the opening is 150mm. (8.5kN for SG-30T20M and SG-60T20M) ●For heavy objects such as steel, construction, and shipbuilding. ●Can be exchanged with a free-angle cap. The maximum tightening pressure is 1200kgf when the opening is 150mm.