Specifications: Model: 49S318 Divider Dimensions: 2.4 x 2.4 inches (60 x 60 mm), Effective Depth: 3.1 inches (79 mm) (External Dimensions) Width x Depth x Height: 20.9 x 20.9 inches (504 x 504 x 143 mm), Weight: 5.5 lbs (2.53 kg).