The universal adapter is designed for QFN28/MLF28 packages, such as Atmel ATmega and ATtiny series microcontrollers. The ZIF (Zero Insertion Force) socket on the adapter has a mechanical warranty of 5,000 actuations, ensuring reliable performance over multiple insertions and removals. The adapter is made in Slovakia and comes with an order number of 70-0821. The socket is of the ClamShell type, providing easy and secure locking of the QFN28/MLF28 package for programming and testing purposes. The bottom of the adapter features 2 rows of 15 pins each, arranged in a square pattern with a pin pitch of 0.6×0.6mm and a row spacing of 600mil. This universal adapter is a versatile solution for programming and testing QFN28/MLF28 packages, making it suitable for use in development and production environments.