Detecto 451 Baby Scale-Mechanical Pediatric ScaleEasy-to-clean polystyrene trays cradle babies securely on these dependable; portable scales. Light and attractive scales; these models features a heavy-duty; rust-resistant understructure and dual-reading; die-cast beams.Capacity: 65 kg x 20 g Tray Dimensions: 22 H x 14.75 W x 4.5 D 559mm H x 375mm W x 114mm D - washable polystyrene Dimensions: 27 H x 22 W x 21 D 686mm H x 559mm W x 533mm D. Easy-to-clean polystyrene trays Easy-to-read;die-cast beams Heavy steel base and precision lever system.