One-touch start: With a simple press of our minimalist touch button, the nail polish shaker restarts—the powerful vortex action perfectly blends separated pigments in just 60 seconds, ensuring smooth application every time. Quick mixing: Even the thickest gel nail polish and glitter formulas are thoroughly mixed in just one minute. This tattoo pigment mixer features a weighted cast iron construction, ensuring powerful yet vibration-free with every use. Spring design: The adjustable, strong spring accommodates various sizes, from mini nail polishes to large gel bottles (5ml-30ml). A silicone-lined spring clip securely holds the bottle, preventing scratches or damage to your precious nail polish collection. Industrial-grade cast iron construction: The premium cast iron body provides exceptional weight and stability, while the non-slip alloy base ensures the machine remains stable during. This professional mixer is durable enough for everyday use in a nail salon. Service: If you have any questions, please feel to contact us and we will reply within 24 hours!