National Hardware N350-769 Adjustable Spring Hinge, Oil Rubbed Bronze, 3-1/2" Winter_Items Drain freely and do not

Drain freely and do not hold any excess water

Roll-up zipped doors

UL Listed to US and Canadian Safety Standards and CSA Certified

Self-draining channels prevent water from pooling

so it cuts and finishes in one operation

National Hardware N350-769 Adjustable Spring Hinge, Oil Rubbed Bronze, 3-1/2" Winter_Items Drain freely and do notNational Hardware V520 Square Corners Spring Hinge is manufactured with cold rolled steel with oil rubbed bronze finish. Fits standard hinge cutout. Hinge features adjustable closing speed and adjustable tension. Hinge is UL approved for fire doors. 3 1 2" Finish: Oil Rubbed Bronze Material: Steel Safe Working Load (SWL): 30 lbs Manufactured with cold rolled steel Closing speed is adjustable Fits standard hinge cutout Tension is adjustable Square