Counter cases are the counterpart to the lock case and accommodate the latch and bolt. Square counter cases for welding, designed for a 72 mm distance, compatible with lock cases measuring 30, 40, and 50 mm; a rounded design for round tube frames; and the counter case for screwing on (DIN L / DIN R) for masonry and metal posts. Includes strike plate; suitable for Electric door openers. V2A, K240 polished finish.