Yale 30X50 DB NI Removable Lock Cylinder 30 x 50 mm, 6 Pins External, Interior, Entrance Door YC1000+ 4 Reversible Keys, Nickel Plated

HIGH SECURITY CYLINDER: This patented 6 pin cylinder with brass body provides a high level of security for your front door with protection against picking. Double cylinder with emergency and danger function: close and open your door from one side with a key, even if there is already a key on the other side. REVERSIBLE MOULD WRENCH This cylinder uses a reversible cavity key where the mills lie on the flat side of the blade. MEASURE YOUR CYLINDER: To buy the correct size, measure each side of the cylinder from the front to the centre of the cam (A = outside, B = inside)., Weight: 0.7054792384 pounds, Manufacturer: Yale