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、WITH NEEDLE DESIGN: Electrical test clip with needle, with no stripping design, is easy in and sensitive in testing. 2、EXCELLENT MATERIALS: Using excellent cupronickel and PVC sheath, high strength, resistance and long service life. 3、APPLICABLE SCENES: Widely used in various electrical projects and voltage tester, and suitable for all car and truck batteries. 4、COMPACT SIZE: The testing clamp has a compact size, is lightweight and portable, and is safe and reliable to operate. 5、EASY : With opening size of 25mm, the clamp tail can be used after soldering and connecting to the test wire. Specification: Item Type: Test Clips with Needle Model: 60043 Material: Cupronickel + PVC 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, etc. Opening Size: Approx. 25mm / 1in Package List: 1 x Red Test Clip 1 x Black Test Clip Package List 1 x Red Test Clip 1 x Black Test Clip