AMZAUTO Antifreeze Tester Automotive, Professional Coolant Tester Accessory for Freezing Point Tool, Anti Freeze Checker, Universal Antifreeze Coolant for Summer & Winter

Precise Design: Precisely measure your engine coolant's freezing point, this antifreeze tester helps protect against costly mechanical failure from freezing or overheating, ensuring optimal engine performance

Dual-Scale: Features dual-scale °F and °C calibrations for fast, accurate readings of antifreeze coolant, working efficiently on both hot or cold radiators

Easy to Operate: Designed for easy operation, simply draw the coolant to the marked line and align the red float to quickly get accurate readings, making maintenance simple

Sturdy & Durable: Constructed from durable plastic and rubber material, this automotive antifreeze device offers robust impact resistance and resilience for consistent, long-term use

Lightweight Compact: Its compact, lightweight design allows easy storage, plus a 50/50 antifreeze coolant mixing guide for optimum -34°F (-36.7°C) freeze protection