hlk-bl series features: Innovative design, aesthetically pleasing appearance, and excellent environmental protection effects; adjustable vortex separator to separate usable abrasive and fine dust, allowing for continued use of good sandblasting abrasive; main components are made of imported parts, offering a long service life; comes with two manual nozzles for sandblasting; Note: This model is available in both automatic and manual options, providing flexibility to meet the needs of various glass and other plate material artistic processing markets!