Bel-art h24964-0000 large weighted polycarbonate safety shield, 19.6 lbs, 19-1/2″ x 6-1/2″ x 36″ personnel are protected by a 4.7mm (3/16″) thick, clear polycarbonate barrier with exceptional impact resistance and optical clarity. This item ships oversize. features: shields meet high mass impact test and high velocity impact test as defined by ansi z87.1, sections 9.11 and 9.12, respectively stable, three-sided construction provides front and side protection against flying debris heavy steel base is coated with blue epoxy plated steel bolts, nuts and washers are used for assembly ensuring long life and rust-resistance outside base dimensions are 50cmw x 17cmd (19-1/2″ x 6-1/2″)