KNOBWELL Black Heavy Duty Sleek Ring Interior Door Handles with Privacy Lock & Passage Options

【Privacy Lock – Peace of Mind for Your Personal Space】 Need a quiet moment in your bedroom, bathroom, or home office? This door knob features a push-button privacy lock on the inside – simply push to lock, twist to unlock. The outside has an emergency release for safety. Perfect for family homes, shared apartments, or Airbnb rentals. Lock in your privacy, not your worries. 【Superior Durability – 250K Cycles & 72H Salt Spray】 Crafted from a next-generation zinc alloy, this door handle is built to outlast ordinary knobs. Tested to 250,000+ open/close cycles (over 15 years of daily use) and 72 hours of salt spray for corrosion resistance – exceeding industry standards. 【Sleek Matte Black – Timeless & Versatile】 The all-matte black finish hides fingerprints and resists smudges, The circular loop design works beautifully with modern, transitional, or industrial-style homes. Use it on home doors for a cohesive, designer look. 【Universal Fit – Left/Right, Adjustable Latch, Standard Sizes】 Works for both left-handed and right-handed doors – reversible in seconds with no extra tools. Adjustable latch fits 2-3/8" or 2-3/4" (60mm or 70mm) backsets. Compatible with standard US door thicknesses from 1-3/8" to 1-3/4" (35mm–45mm). 【Hassle-Free Install & Complete Packaging】 Everything you need is in the box: handle assembly, adjustable latch, screws, and an illustrated English guide. Install in under 10 minutes with just a screwdriver. The sturdy retail packaging protects the finish during shipping and makes it gift-ready. No surprises, no missing parts – just a smooth upgrade for your home.