Supply safety test fingers IEC61032 steel children test probe pin 1.Application: Autostrong offers a wide range of probe to meet the most common standards including those from IEC, EN, UL, GB and others. Such standards require the checking of accessibility to dangerous parts of home electronics and appliances, toys, tools and a hose of other products thar are intended to be protected by enclosures. These probes simulate human fingers, tools and other items that would be hazardous to come in contact with certain parts of products. The handle is made of nylon, tip is made of stainless steel. 2.Technical paremeter:? Children Finger Probe 19 (suit for 0-36 months infant) Knurled finger diameter φ5.6mm Head radius 2.8mm Knurled finger length 44mm (Three knurls, 16.7 mm / knurl)? Children Finger Probe 18 (suit for 37-96 months child) Knurled finger diameter φ8.6mm Head radius 4.3mm Knurled finger length 57.9mm (Three knurls, 19.3mm/knurl)