Professional safety compliance: This device meets the rigorous UL1439D standards and includes 21 test caps designed to assess sharp edges on electronics, household appliances, and toys, ensuring maximum safety in accessible areas. Standardized testing: The safety tester uses a consistent procedure, applying a force of 0.68KG to move the test cap precisely 4 inchess along the product edge, facilitating accurate evaluations across various applications. Clear and objective results: Our advanced simulation-based approach guarantees precise classifications. An edge is identified as sharp only if the outer layers of the test cap sustain visible cuts, ensuring unambiguous outcomes. Durables construction: Crafted from premium, compliant materials with exact measurements, this sharpness tester is designed for exceptional durability and reliability, ensuring it meets your safety testing needs over time. Customer-focused support: We prioritize a positive shopping experience for our customers. Should you have any inquiries or require assistance, please don't hesitate to reach out. We promise to respond promptly within 24 hours.