The Kuriyama Q-BR1 brass two-lug sand-blast hose coupling is engineered for 3/4 in. ID sand-blast hoses (1 1/2 in. OD). Made from robust brass (ASTM B584, Grade C85700), it features a two-claw design for fast connections and is rated for 175 PSI at 70 °F. It includes sheet-metal screws and weighs 1.06 lb.








