Features 1、Mute lock bearing design, no noise, anti collision and mute, lock body bearing mute, providing you with a quiet experience. 2、Durable and portable safety handles and lock pins, suitable for various wooden doors and bedroom doors with 3.5‑5cm door frames. 3、Equipped with a unique thumb to turn the internal lock handle, which can be opened through the external keyhole. 4、Modern style interior and exterior doors designed for commercial and residential applications. 5、The dead bolts and lever handles of the heavy burden high score safety door are reversible, making it suitable for left handed or right handed doors. Specifications Item Type: Door Handle Lock Material: Manganese Steel Weight: Approx. 633g / 22.3oz Panel Size: Approx. 21 x 5cm / 8.3 x 2.0in Panel Hole Distance: Approx. 16.5cm / 6.5in Locking Distance: Approx. 45mm / 1.8in Center Hole Distance: Approx. 50mm / 2.0in Applicable Door Frame: 35-50mm Specification: T2067 Titanium Black Gold Applicable Type: All Kinds of Wooden Doors, Bedroom Doors, Etc. Package List 2 X Panel 1 X Lock Body 1 X Stop 1 X Lock Cylinder 3 X Keys 1 X Cylinder Screw 2 X Long Screws 4 X Screws 1 X Square Bar 1 X Door Buckle