From the manufacturer:|
Margin stop with preclamping device, format markings and sinkable grid pins for centered positioning of photo paper. Grid pins at standard hole intervals. Frame made of non-warping molded aluminum. Scales in cm and inch. Pneumatic spring with end position damping. Raised frame stays open. Four sliding masking strips with fast adjustment and fine setting by friction drive, lockable. Border width adjustable from 2 to 45 mm (0.08 to 1.8 in.) Each strip is individually adjustable. Light gray base plate. Non-slip rubber feet.
This top of the notch masking frame was originally constructed by LEITZ and is now manufactured by Kaiser.
Longevity and best quality.