Marine Town® Seam Friction Hinge - Covered & Uncovered - Revolutionary technology designed into hinge barrel construction creates constant torque - Designed as a piano hinge with torque - Designed to hold door open without any torque adjustment - Ideal for different sizes of doors like overhead door, baitwell lids, glove boxes, access doors, interior doors, anchor lockers, electronics panels, hatches and similar - Passed 10,000 times cycle test and lost less than 20% on torque, 20,000 times lost less than 25% - Passed 500 hour salt-spray test - #6 R/H fastener is required - Patented - Sold singularly