Kason Strap style door hinges for large heavy doors. These hinges are designed to take the extra size and weight of larger walk-in cooler, freezer, cold storage and warehouse doors. Whether they're being used for new construction or a broken hinge replacement, we provide the hinges needed for the job. From the 1074 strap hinge to the 1037 durable brass chrome plated hinge or steel strap surface mount hinges. You can bet that o-reps has the hinge you need at a discounted price.