Product Info Catalog Hardware Locksets & Closers Door Closures Commercial Door Closer, Duro Finish, Size 5 Commercial Door Closer, Duro Finish, Size 5 Request a Quote UPC: 737874156457 SKU: 574244 Model Number: DC100050 Size 5, commercial grade 1 closer, 2 million cycles, fits interior 4'0", exterior 3'6", duro finish with parallel arm bracket, same hole pattern as Norton 1600 & Yale 50 series.