High-quality SISO coin pawds for security in public and private changing rooms, such as in the fitness center, saunas, swimming pools, workplace, etc. Proven and practical coin pfolid lock as reliable protection of personal objects. Perfect for installing, retrofitting, as a replacement or exchange for new and old changing rooms. Its intelligent construction only allows the key to be closed and pulled off the key, after inserting a one-euro coin, a 20 cents piece or the supplied chip. After the correct coin is inserted, the key can be deducted, when the deposit is automatically returned. An internal security system ensures that only correct coins are accepted and false coins are rejected. We attach great importance to quality, regionality and sustainability, which is why we mainly work wi.