Kaiser Promask 24/30 enlarging easel

Kaiser Promask 24/30 masking frame / enlarging easel. Model number 4702 9.5x12in maximum print size. It has variable border width control from 2 to 45mm, friction drive adjustments. Pmneumatic spring opening and dampening, grid pins for precise printing of smaller formats. One of the best frames going which is why it costs over �300 when new!