Ensure precise laser performance with this 10-piece set of Double-Sided Black Laser Testing Papers, each measuring approximately 210 x 285mm (8.3 x 11.2 inches). Designed specifically for laser equipment calibration and testing, these laser test papers provide a reliable and efficient solution for professionals and technicians. Key Features: · 10 Pcs Set: Includes 10 sheets of black laser testing paper, offering ample supply for repeated testing and calibration tasks. · Double-Sided Use: Both sides of each sheet can be used, maximizing efficiency and reducing waste during laser testing procedures. · Clear Laser Printing Area: Features a white laser printing area with distinct, sharp spot edges, allowing for easy and accurate evaluation of laser marking quality. · Wide Compatibility: Suitable for a variety of laser machines including semiconductor laser marking machines, fiber laser marking machines, laser cutting machines, and UV laser marking machines. · Versatile Applications: Perfect for adjusting laser performance, spot quality, and energy settings in laser marking, welding, cutting, and laser beauty equipment such as laser eyebrow washing machines. Specifications: · Item Type: Laser Testing Paper · Material: Paper · Color: Black · Size: Approx. 210 x 285mm (8.3 x 11.2 inches) Package Includes: · 10 x Double-Sided Black Laser Testing Papers This laser testing paper set is an essential tool for maintaining optimal laser equipment performance, providing clear, accurate results for spot adjustment and energy calibration across a wide range of laser applications.