Supplier of general tools and instruments GLTL is the abbreviated form of General tools. General mean we make products strictly according to ASTM, ISO, UL, IEC, GS, CSN and other industry standards. Tool mean our business scope includes the production and sale of test instruments, measuring tools and professional equipment for applications in manufacturing, electrical appliances, construction and spraying industries. Among our clients are American Airlines, Germany's Rhine Laboratory (TUV), numerous research institutes and schools. So we provide more favorable pric for business customer. As a trustworthy seller, we have been pursuing to provide customers with 100% satisfactory products and services. And we hope you can get a pleasant shopping experience. PS： High value goods delivery is swift. We will transport by international air express. Generally, you will receive the goods in 5-14 days. And you don't need to pay extra shipping cost. All of our products can be purchased with one year free warrant servic. You are welcome to contac us any time about the problem of customized products or any other questions. Testing Tape Sharp Edge Tester with Testing Cap Sharp Edge Tester with Testing Cap and Calibration Certificate UL507 Articulated Test Finger Accessibility Probe PA100A 2", Impact Test Steel Ball with Ring Destructive Impact Test of Steel Ball Safety standards IEC60068 Spring Operated Impact Test Hammer Single Energy Type / / with Calibration Certificate / / / UL1439D UL1439D UL1439D UL60335, UL476, UL1026, UL5076 UL 499, IEC 60529:2001, IEC 60068-2-75,UL60335, UL476, UL1026, UL5076 for model :GT-50 model :GT-50 model :GT-50 Does the finger of the simulated adult touch the dangerous part in the shell. It is used for impact test of product shell to check whether the strength of shell can meet the requirements of safety . It is used for impact test of product shell to check whether the strength of shell can meet the requirements of safety .