Item No.: BT Bite Trays, it is use for counter impressions and bite registration. Impression trays are rigid plastic frame, with ergonomic designed handle, makes patients comfortable. Five sizes are suitable for all people Large full arch trays: 520*350*375mm Small full arch trays: 450*320*270mm Large half arch trays: 430*430*290mm Small & SS half arch trays: 280*225*225mm