The Kendall Howard 3U Adjustable Standoff Bracket is designed to solve the issue of your rack being too deep or too shallow. This Adjustable Standoff Bracket can be set to a minimum depth of 3.5” to a maximum or 6” allowing for more mounting options than ever before! Constructed from 16-gauge steel, these mounts are durable, strong, and dependable. Compatible with all EIA 19” and 23” wide server racks or wall mounts.