12.5 mm IEC 61032 Figure 6 Test Probe 2 Steel Sphere for IP2X Solid Object Protection Testing Product Description HeJin 12.5 mm Test Probe 2 is a rigid steel sphere test tool designed for enclosure protection verification in accordance with IEC 61032 Figure 6. It is primarily used to check whether an enclosure can prevent solid foreign objects with a diameter of 12.5 mm or greater from entering the protected interior. With a precisely specified 12.5 mm sphere and nylon handle