Rock Solid Matte Black Door Knobs Four Pack Zinc Alloy Interior Handles With Built In Security Bolt For Bedrooms Durable Electroplated Finish Smooth Glide No Drama Easy Install

Four pack matte black interior knobs with zinc alloy body
✔️ Zinc alloy interior knob set with built security bolt and latch

You get four black knobs designed for quick bedroom upgrades. They work great on residential doors needing quiet privacy control. The metal coating holds up against humid air and repeated turning.

✅ Adjustable latch fits 1-3/8 to 1-3/4 inches (35 to 45mm)
✅ Backset measures 2-3/8 to 2-3/4 inches (60 to 70mm)
✅ Lever spans 4.84 inches (123mm) for comfortable grip
✅ Rosette diameter ranges 2.4 to 2.65 inches (61 to 65mm)

💡 What makes heavy duty interior door handles reliable for daily residential use?
These premium lever sets solve common sticking and noise problems right away.
- A solid zinc alloy core keeps spinning parts aligned under heavy traffic.
- The twist button method offers handy instant room privacy without keys.
- Anti corrosion plating stops rust buildup in bathrooms and laundry rooms.

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