CBSERK25 Rack Enclosure Depth: 25 Deep, Caster Type: Commercial Grade Features: Skirted for aesthetics, each base comes with its wheels pre installed. Caster base works with LF leveling feet. Fits inside rack. Raises total rack height only 3/4 . Product Type: Casters. Generic Dimensions: Compatible with ERK Series rack enclosures. Heavy duty non locking 3 Diameter swivel wheels. Dimensions: Overall Product Weight: 18 Pounds. Rack Enclosure Depth 20 Deep Overall Depth Front to Back: 20 Inches. Rack Enclosure Depth 25 Deep Overall Depth Front to Back: 25 Inches.