All Northwest products are designed and manufactured to exceed the detention industry standards. NW 645 FMST hinge was tested in accordance with ASTM F1758-03 Grade 1 Test Procedure. NW 645 series hinges are superior to other brand hinges in the cycle, impact and overloading performance. NW 645 series hinges dominate the sales market in the detention industry. Northwest has been devoting the great efforts to manufacturing, marketing and distributing Safebar. Northwest has achieved the high popularity and customer satisfaction in the Safebar grab bar market in the areas of behavioral health facilities, hospitals, juvenile detention facilities, courthouses, jails and prisons.