About Product:The throat band is relatively small and The value is very small, but The role of The throat band is huge. The American throat band, also known as clamp, American stainless steel throat band: It is divided into small American throat band and large American throat band. The throat band bandwidth is 12.7mm and 14.2mm respectively. Through hole technology is adopted, The throat band has wide application scope, torsion hold and pressure to hold, the torque of the throat band is balanced, the lock is firm and tight, And the adjustment range is large. It is suitable for fasteners connected with soft and hard pipes above 30mm, and the appearance is beautiful after assembly. Features: The worm, friction is small, suitable for high - grade models, pole - holding equipment, steel and rubber pipe or anticorrosive material parts connection.