Privacy Functionality: This versatile door knob is great for bedrooms and bathrooms, offering keyless privacy solution. It features an internal button or turn knob for locking, with an emergency release mechanism on the exterior to ensure safe and convenienceAdjustable Latch: Designed to fit doors with thicknesses ranging from 35mm to 45mm (1-3/8 inches to 1-3/4 inches), this lock includes an adjustable latch with backsets of either 60mm (2-3/8 inches) or 70mm (2-3/4 inches). Note that the latch plate is square and non removableStainless Steel Construction: Crafted from stainless steel, this interior door knob is wear resistant and built to last and features a solid brass cylinder with five pins for enhanced securityEasy Installation: Save time with straightforward installation that provides a secure and stable fit without the hassle of small partsPackage Includes: Each purchase includes 1 door knob designed specifically for interior doors such as bedroom or bathroom doors Specification: Material: Stainless Steel Size Chart: Fits all doors 35-45 mm (1-3/8" to 1-3/4") thick Handle diameter 60mm6cm/2.36inch 3.5cmx6.5cm/1.38inchx2.56inch Package Includes: 1Entry Door Knob Note: 1. Please allow slightly error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Wish you a wonderful online shopping!