Universal Spring Design: This salon nail shaker securely fits bottles of all sizes! The adjustable, strong spring accommodates everything from mini nail polish bottles to large gel bottles (5ml-30ml). The silicone-lined spring clip firmly holds the bottle, preventing scratches or damage to your precious nail polish collection. Quick Mixing: This high-performance gel nail polish mixer delivers powerful mixing, thoroughly blending even the thickest gel nail polish and glitter formulas in just one minute. This tattoo ink mixer features a weighted cast iron construction, ensuring powerful, vibration-free performance with every use. 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 to handle the daily use of a nail salon. Long-Lasting Performance: Unlike other mixers, our upright nail vortex mixer features a replaceable parts design, including springs and silicone pads. Service: If you have any questions, please feel to contact us and we will reply within 24 hours!