ADJUSTABLE DEPTH: Allows for easy installation depth adjustments for server racks that are too long or short, ensuring optimal equipment fit. HIGHLY COMPATIBLE: Works with square, threaded, and round holes in most 4-post racks, providing versatile installation options. SUPPORTS MULTIPLE SIZES: Available in five sizes to cover all common needs, with a weight capacity rated at 50 lbs per rack unit. MODULAR DESIGN: Brackets can be combined to mount larger equipment, safely supporting up to 7U configurations. UNIVERSAL COMPATIBILITY: Compatible with leading OEM brands, ensuring reliable performance in diverse rack environments.