Schlage F51 Elan Lever Keyed Entry Door Handle, Satin Chrome, Universal Backset Office Key A: It has a 6-mil

A: It has a 6-mil urethane and aluminum oxide protective wear layer

Q: What size chains or fittings does it work with

Coarse Thread 1/2-13: Standard thread pitch for secure nut engagement and easy assembly

not rated for commercial warranty

A: It is a glue-down accessory

Schlage F51 Elan Lever Keyed Entry Door Handle, Satin Chrome, Universal Backset Office Key A: It has a 6-milSchlage Elan Keyed Entry Lever (Satin Chrome) Durable keyed entry lever for exterior or side doors with universal backset for easy fit. Built with premium metal and certified to top industry standards for strength, security and finish. Key Features: Keyed Security: Locks unlocks from exterior with key; interior turn button for quick exit Universal Fit: Adjustable latch for 2 3 8" or 2 3 4" backsets; fits 1 3 8" to 1 3 4" door thickness Premium