🔑 Lock it down with style! Adjustable extension bolt accommodates door sizes from 8 to 10 inches, perfect for various installations. Crafted from diecast aluminum with a refined finish, combining aesthetics with durability. Includes a flush bolt guide for straightforward setup, making it a DIY-friendly choice. Backed by a 1-year warranty against manufacturing defects, ensuring reliability in your security solutions. Designed for locking commercial aluminum or steel doors, ensuring safety and peace of mind. Locking mechanism Adjustable size Durable diecast The Prime-Line J 4516 Aluminum Diecast Flush Mount Extension Bolt is a robust locking solution for commercial doors, featuring an adjustable design for versatile applications. Made from durable diecast material with an aluminum finish, it includes a flush bolt guide for easy installation and is backed by a 1-year warranty.