Item Type: Linear Sliding Platform_x000D_ Model: HB-A50_x000D_ Table Size: Approx. 50 x 30mm / 2 x 1.2in_x000D_ Moving Direction: X axes 1 direction_x000D_ Body Material: Aluminum alloy (black anodized)_x000D_ _x000D_ Drive Method: Manually turn the knob to control the gear drive (gear + rack)_x000D_ Sliding Track: Rack guide_x000D_ Rail Type: Dovetail groove type_x000D_ Number of Countertop Threaded Mounting Holes: 8Pcs_x000D_ Threaded Mounting Hole Diameter: Approx. 4mm / 0.2in_x000D_ Threaded Mounting Hole Depth: Approx. 7.5mm / 0.3in_x000D_ Horizontal Load Resistance: 29.4N_x000D_ Moving Stroke: 20mm_x000D_ Minimum Scale: 0.01mm_x000D_ Straightness: 0.03mm_x000D_ Scope Of Application: Optical equipment, measuring devices, semiconductor manufacturing equipment, testing machines, microscopes, photographic equipment, handling machines, processing machines, printing machines and others._x000D_ Size: Approx. 50mm / 2in_x000D_ 40mm / 1.6in_x000D_ _x000D_ 30mm / 1.2in_x000D_ _x000D_ 12.5mm / 0.5in_x000D_ _x000D_ 7.5mm / 0.3in_x000D_ _x000D_ 5mm / 0.2in_x000D_ _x000D_ 14.9mm / 0.6in_x000D_ _x000D_ 34mm / 1.3in_x000D_ _x000D_ 30mm / 1.2in_x000D_ _x000D_ 27.8mm / 1.1in_x000D_ _x000D_ 12.3mm / 0.5in_x000D_ _x000D_ 6mm / 0.2in_x000D_ _x000D_ 21.5mm / 0.8in_x000D_ Diameter: Approx. 10mm / 0.4in_x000D_ 15mm / 0.6in