【Standard Real Simulation】Referring to mainstream electrical safety testing standards, the articulated test finger simulates natural human finger joint motion and contact patterns to evaluate exposed hazardous parts on industrial machinery and household appliances 【Durable Construction】Equipped with heat-treated hinged joints, a sturdy steel body, and a sturdy polyethylene handle, this tester maintains stable performance through frequent bending cycles 【180° Adjustable Locking】 Equipped with flexible hinged joints, it can achieve 180-degree humanized bending, lock firmly at the desired angle, and withstand simulated pressure up to 30N to provide uniform test results 【Precision Bend Test Probe Design】The overall measurement is 24 cm, the hinge section is 30/30/40 mm, the effective test length is 97 mm, and the baffle width is 78 mm. This tester can achieve standard gap inspection and repeatable dimensional inspection 【Wide Application】Able to check the safety of protective enclosures and barriers of various machines and household appliances, this test finger reduces the risk of contact with live circuits, suitable for electrical, industrial, scientific and laboratory testing scenarios