Fluted tempered glass doors with extruded aluminum frames on smooth-glide tracks, deep shelves have removable backs for easy wiring, middle shelves can be removed for tall amps and chargers, built-in ventilation system allows cool air to flow in from bottom while heated air rises out of hidden vents at top, overall height: 20", top shelf dimensions: 60.5"W x 20"D, mid shelf dimensions: 19"W x 17.5"D, bottom shelf dimensions: 19"W x 17.5"D, top shelf capacity: 275 lbs, mid shelves capacity: 75 lbs, bottom shelf capacity: 70 lbs, distance between shelves is 6", espresso finished oak veneers. Shipped via truck. Does not qualify for free online freight offer.