Heittis Let you experience quality home improvement life.We are committed to serving every customer well; as long as you do not like or receive a product with quality problems, we provide replacement or full (partial) refund, so that your shopping worry-free.Equipped with a single cylinder door bolt. When you are outside the house, the key unlocks/ locks and presses with your thumb to unlock it. When you are inside the house, you can turn with your thumb to unlock/lock and press the handle to open。Product Introduction● Color: Matte Black/Frosted Black● Product Material: zinc alloy● Product Standard:ANSI Level 3, more than 200,000 cycle.● Product Packaging List: installation instructions, external control levers, internal control levers, latches, screws, fittings required for installation. ● Applicable Specifications: Standard universal door latch 2-3/8 inches (about 6.9 cm) or 2-3/4 inches (about 7.9 cm), the handle is suitable for door thickness of 1-3/8 inches (about 350mm) to 1-3 /4 inches (approximately 440mm).To ensure correct installation, the distance between the center of the bolt hole and the center of the handle hole must be 5-1/2 inches (140 mm), and the distance between the center of the handle hole and the bottom fixing hole must be 8-1/2 inches（215 mm ）.
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