Features 1、The main body adopts aluminum alloy material, lightweight, sturdy and abrasion resistant, scratch-resistant, drop-resistant and corrosion-resistant 2、Gear rotation is controlled by the handle, smooth and stable to move 3、With R corner protection, safe to protect 4、With dovetail groove guide, high accuracy and large load capacity 5、Suitable for optical instruments, measuring devices, semiconductor manufacturing equipment, testing machines, microscopes, photographic equipment, handling machines, processing machines, printing machines and other Specification Item Type: Manual Trimming Platform Model: SPWZ40-90 Table Size: Approx. 40 x 90mm / 1.6 x 3.5i Overall Height: Approx. 133mm / 5.2in Moving Direction: Z, 1 direction Body Material: Aluminum alloy (black anodized) Drive Method: Manually turn the knob to advance the gear drive (gear + rack) Sliding Track: Gear guide Guide Rail Type: Dovetail groove Number Of Countertop Threaded Holes: 10 Threaded Hole Diameter: Approx. 4mm / 0.16in Threaded Hole Depth: Approx. 6mm / 0.24in Load Resistance: 98N（10Kgf） Move Stroke: ±30mm Minimum Scale: 0.01mm Parallelism: 0.06mm Parallelism of Movement: ≤0.1mm/60mm Scope of Application: Optical instruments, measuring devices, semiconductor manufacturing equipment, testing machines, microscopes, photographic equipment, handling machines, processing machines, printing machines and other Package List 1 x Manual Trimming Platform