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 moulded aluminium. Scales in cm and inch. Pneumativ 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 grey base plate. Non-slip rubber feet.