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