Metal base plate with non-slip base and dull white surface. Adjustable margins for borders from 5 to 12 mm (0.2 to 0.5 in.). Metal dull black masking frame with cm and inch scales and snap paperholding mechanism. Bilaterally guided self-adjusting masking bands with instant-lock push buttons. Maximum print size 28 x 36 cm (11 x 14.2 in.).