hat pin exposure pin
position pin for exposure machine, to fix the dry film
hat pin exposure pin
Back plate size: 4.0 / 5..0mm (optional)
pin height: 1.0 /1.2 / 1.4
hat pin exposure pin
Back plate size: 4.0 / 5..0mm (optional)
pin height: 1.0 /1.2 / 1.4
