Tripp Lite SRSHELF4PSL SmartRack Standard Sliding Shelf (50 lbs / 22.7 kgs capacity; 28.3 in/719 mm Deep). Product colour: Black, Maximum weight capacity: 22.68 kg, Country of origin: China. Width: 482.6 mm, Depth: 749.3 mm, Height: 44.4 mm. Package width: 61 mm, Package depth: 515.6 mm, Package height: 787.4 mm. Master (outer) case width: 157.5 mm, Master (outer) case length: 541 mm, Master (outer) case height: 805.2 mm