The Series 21 is the range of pin tumbler cylinder Ø 16.5 mm locks, entirely produced in Italy by Serrature Meroni. A comprehensive range, suitable for multiple applications, for the furniture, automation and distribution industry. The quality and robustness of the materials constitute a guarantee that lasts over time. The 21677 model is an espagnolette lock, with two-point lock, for application on right-hand or left-hand door.