Thumbturn Door Cylinder, Avocet Abs Biased Door Cylinder Lock 65-115mm AB Key Brass Lengthened Core Extended Keys(80(32.5-47.5))

NOTE:1.Brass Cylinder with +2A keys, +5B keys,AB Key (A Is The Decoration Key, B Is The Master Key When The B Key Is Inserted, The A Key Is Invalid)

• The lock barrel features unique anti-bump protection. This ensures the turning of the cylinder key is extra.
• not use trap pins.This ensures the turning of the cylinder key is extra smooth,while blocking access from bump keys.
• Suitable for use with a wide range of doors including timber, composite,aluminium or patio doors with a Euro profile
• The shell is zinc alloy, the lock cylinder is made of copper, has alkali corrosion resistance, and can use for a long time.
• Simply insert the euro cylinder, (making sure the sacrificial cut is facing the external side and the thumb-turn on the internal) and screw it in place via the locking case