Electric sharp edge tester: This device is equipped with 21 pressure testing caps, designed for assessing sharp edges to ensure product safety for based on UL1439D standards. High-quality materials: Manufactured to meet UL1439 compliance, this sharpness tester is constructed from durables materials, ensuring reliability and precise measurements for safety testing across various applications. Easy press-down test: Utilize the innovative design of the sharp edge tester by placing the test cap on the object's edge and applying a 0.68KG force to evaluate potential risks, offering a user-friendly experience. Safety indicator: The tester features a design that indicates when the outer layers of the test cap are scratched, signaling the presence of a sharp edge and highlighting any potential safety concerns. Versatile applications: This electric sharp edge tester is effective for detecting sharp edges on a range of products, including toys, electronics, and household items, making it a crucial tool for promoting user safety.