Features Lightweight & Compact Design: Easy to carry and store, this handheld refractometer is perfect for various liquid samples, making it ideal for home and professional use High-Definition Clarity: Featuring an imported prism and high-definition eyepieces, this ethylene glycol concentration meter provides clear readings for effortless operation Comfortable Grip & Control: The non-slip rubber sleeve ensures a stable hold, allowing you to maintain precise control while measuring battery fluid content Durable Construction: Made from aluminum alloy and rubber, this ethylene glycol refractometer is built for long-lasting use, ensuring reliability in demanding environments Wide Measurement Range: With high accuracy and convenience, this concentration tester allows you to measure liquid content to a high standard, meeting diverse application needs Features: 1、EXCELLENT MATERIALS: Poss PVC insulating sheath, teeth adopt brass nickel plated treatment, tail banana socket is made of brass, excellent material selection, guaranteed quality 2、NON DAMAGE: Manufactured with good quality procing technology, and not easy to damage, poss long service life 3、GREAT REPLACEMENT: Widely used in various electrical projects, voltage tester, suitable for all car and truck batteries. Replace the existing clip on the battery charger for the jump start cable 4、PORTABLE AND RELIABLE: The car battery clip is easy to use, portable, lightweight, safe and reliable. Suitable for cars, vehicles, etc. 5、WIDE APPLICATION: Rated current for 10A, opening size is 10mm, widely used in electronic instruments, industrial equipment, electronic equipment, etc. Specification: Item Type: Crocodile Clip Model: 60049 Material: PVC, brass Uses: Widely used in various electrical projects, voltage tester, suitable for all car and truck batteries. Replace the existing clip on the battery charger for the jump start cable. The car battery clip is easy to use, portable, lightweight, safe and reliable. Suitable for cars, vehicles, cars, etc. Basic Parameters: Rated Current: 10A Opening Size: Approx. 10mm / 0.39in Package List: 2 x Test Clip(red) 2 x Test Clip(black) 2 x Test Clip(yellow) 2 x Test Clip(blue) 2 x Test Clip(green) Package List 2 x Test Clip(red) 2 x Test Clip(black) 2 x Test Clip(yellow) 2 x Test Clip(blue) 2 x Test Clip(green)