 
          4 way lock offers ultimate in flexibility.  
 Pet door sizes
 Overall size: 252 mm x 241 mm (93⁄4” x 91⁄4”)
 Cut out size: 175 mm x 168 mm (63/4” x 61/2”)
 Glass cut out: 212 mm (83/8”) diameter circle
 Maximum pet shoulder width: 150 mm (57/8”)
 Maximum pet weight: 7 kg (15 lbs)