Howarth Narrow Deep Tray. The Howarth Trolley drawer dividers are designed specially to fit comfortably in the existing trolley drawers, keeping the contents tidy and in order. Tray compatablity: Howarth 1 Trolley full width, with 4 shallow trays and 1 deep tray (H) 96cm x (W) 57cm x (D) 45cm. Howarth 2 Trolley narrow width, with 4 shallow trays and 1 deep (H) 96cm x (W) 40cm x (D) 45cm. Howarth 3 Trolley low, full width, with 2 shallow and 1 deep tray. Will fit under work surfaces or the Doherty Winchester couch (H) 96cm x (W) 57cm x (D) 45cm. Howarth 4 Trolley basic, full width, with 1 shallow tray and 3 shelves (H) 96cm x (W) 57cm x (D) 45cm.