Description: 1. Precise focus adjustment by rotating the button: Atomstack Maker L1 Z-axis sliding lift mechanism for Atomstack laser engraver models. 2. Precision structure: double optical axis, four slider precision structure, precise control of height, every rotation, the Z axis will rise or fall 1mm. 3. The Atomstack L1 Z-axis adjuster can be adapted to the Atomstack laser engraving machine range, with a height adjustment of 50 mm. 4. Easy to operate: 35*Φ10mm large size knob handle, easy to rotate. 5. Lightweight: 150*60*17mm slim size, installed in the machine with a stable center of gravity, will not shake and will not reduce the operating speed. Specification: Brand: Atomstack Maker Model: L1 Material: Metal Product Size: 150*60*17mm Slide Stroke: 50mm Adaptable Laser Size: 33mm, 40mm, 51mm and 60mm Working Mode: Manual adjustment Compatible with the following models: X30 Pro, A30 Pro, S30 Pro X20 Pro, A20 Pro, S20 Pro X7 Pro, A10 Pro, S10 Pro X7, A5 Pro+, A5 Pro, A5 M40, A5 M50, A5 M50 Pro A5 M30, A5 30W, A5 20W, A5 10W Note: P9 M50, P9 M40, P7 M40, P7 M30 are not compatible