hlk-bl series features: Innovative design, attractive appearance, and excellent environmental protection effect; adjustable vortex separator that separates usable abrasive and fine dust, allowing good shot blasting abrasive to continue use; major components are imported for long service life; comes with two manual blasting nozzles; 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!