Kaiser RSD Manually Adjustable Copy Stand Matte black anodized aluminum tubing column with inch/cm scales. Aluminum camera horizontally adjustable by approximately 6.3in/16 cm with rack-and-pinion parallel guides. Left hand/right hand operation. Two blocking screws prevent unintended position change. Camera mounting plate tiltable by 180 Degree. Connecting screw horizontally adjustable. Smooth action manual height adjustment counter-balanced by a built-in coil spring. Non-reflective matte gray base board with printed fine grid. Height-adjustable feet. Spirit level. Interchangeable threaded 1/4” and 3/8” bushing.