... 3.Patent NO.:200420014479.6 4.Anti-pry,anti-theft 90mm mortise cylinder Brass Racing cylinder series E203-90P for ... iron or brass keys. Racing cylinder specification:Lock body length: 90mm.Keys thickness: 2mm.Beatiful and durable,novel design.Mutual opening ... racing cylinder size:65mm, 70mm, 75mm, 80mm, 85mm, 90mm, 95mm, 100mm, 105mm, 110mm. 90mm security lock key lock Brass mortise lock cylinder ...