1、Made of aluminum alloy, light in weight, friction‑resistant and silent, scratch‑resistant and drop‑proof. 2、Gear rotating handle control, dovetail grooves type guide rail, high load resistance and stable movement. 3、With R angle safety protection, easy to carry and store, convenient to use and with good performance. 4、Suitable for optical equipment, measuring devices, semiconductor manufacturing equipment, testing machines, microscopes and others. 5、Small size, easy to carry and store, convenient to use and with good performance. 1 x Z Axis Dovetail Manual Trimming Platform Item Type: Z Axis Dovetail Manual Trimming PlatformModel: HFL-A40Platform Size: Approx. 40 x 40mm / 1.6 x 1.6inMoving Direction: One direction of Z axis (vertical direction)Body Material: Aluminum alloy (black anodized)Movement Method: Rotating gears and rotating handle to advanceSliding Track: Gear guideRail Type: Dovetail grooves typeNumber of Countertop Threaded Holes: 10Threaded Hole Diameter: Approx. 4mm / 0.16inThreaded Hole Depth: Approx. 6mm / 0.2inWithstand Load: 29.4N (3Kgf)Up and Down Movement Stroke: ± Approx. 10mm / 0.4inMinimum Scale: 0.01mmParallelism: 20μmMoving Parallelism: ≤ 0.01mm/13mmScope of Application: Optical equipment, measuring devices, semiconductor manufacturing equipment, testing machines, microscopes, transporters and others