The OEM Cardinal EasyOpen ClearVue Binder with Locking Slant-D Rings (CRD10340CB) features a one-touch locking mechanism for easy operation. Designed to eliminate the hassle of two-handed, two-step operations, this binder ensures that fingers are safe from pinching thanks to its delayed tension feature. With the ability to hold 25 percent more sheets than standard round-ring binders, it accommodates up to approximately 775 sheets with its 4-inch capacity. Additional features include horizontal inside pockets for loose documents, clear overlays for custom title sheets, and a durable chipboard core.