Precision 5-in-1 Antifreeze Refractometer for Automotive Excellence
Engineered with high-grade optical glass and a durable aluminum alloy body for long-lasting performance. Features a dual-scale design (0 to -50°C freezing point & 0-50% glycol concentration) for instant, accurate readings. Perfect for professional mechanics, fleet maintenance, and DIY enthusiasts. Tests battery coolant condition, ensuring optimal engine performance in extreme temperatures. Exclusive OEM customization available for bulk buyers. Ships globally with unbeatable wholesale pricing—ideal for large-scale procurement. Trusted by automotive experts for its rugged construction and lab-grade accuracy. Upgrade your toolkit with this essential diagnostic instrument.