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 2131 model is a lock for universal application with polymer body, available in different lengths (from 16 to 30 mm) and bolt variants for application on the right-hand or left-hand door.