A functional and aesthetically designed thumb-turn cylinder lock intended for everyday use in both interior and exterior doors. Thanks to the practical thumb turn on the inner side, the door can be quickly locked and unlocked without using a key. The lightweight aluminum body and durable ZnAl alloy mechanism ensure smooth operation and long-lasting user comfort. The brushed brass finish highlights the product’s modern and elegant appearance. Technical Specifications Product type: thumb-turn lock cylinder Size: 30/30G mm Body material: aluminum Mechanism material: ZnAl alloy Color: brushed brass Type: single-sided thumb turn Number of keys: 3 pcs Mechanism durability: 25,000 cycles Installation: fixing screw included Key Product Features Convenient Internal Thumb Turn Allows comfortable locking and unlocking of the door from the inside without the need for a key. Lightweight and Durable Aluminum Body Ensures structural stability and resistance to everyday use. ZnAl Alloy Mechanism The combination of metal alloys guarantees smooth operation and good wear resistance. Durability up to 25,000 Cycles The cylinder is designed for regular use in homes, apartments, or offices. Elegant Brushed Finish The brass-colored finish provides an aesthetic appearance and matches well with various door styles. Complete Installation Set The set includes: 3 keys fixing screw