M22PM-K.1-21/3/45-04 with Lock is an electronic part manufactured by Roztocze. It is a limited-hinge connector with 21 connection pins, a fastening stud, and a 45-position rotary coding mechanism. The product is designed to allow for a secure and reliable connection in a variety of applications. The connector features a locking mechanism that prevents unintentional disconnection of the cables. The connector is designed to be used in applications such as industrial, automotive, and consumer electronics. It is made of durable materials and offers reliable performance.