Products Products Categories Mechanical Products Cylinder Half cylinders with Key Half cylinders with Key Features Size available from 40mm – 80mm. Suitable for wooden and steel door Technical Features Conforms to EN1303:2005 Material Specifications Body : Brass Knob: Brass Keys : Nickel Silver SKU Code Finish (YY) 40 MM HALF - S SN 45 MM HALF - S SN 50 MM HALF - S SN Find a Yale Partner Similar products Thumbturn with keyDimple Key / Regular Key Bathroom Cylinders Double CylindersDimple Key / Regular Key