Description: Testers hooks are absolute necessary tool when you need a third hand or have to test many circuits sequentially, and likely to be the most useful thing on your workbench. No matter youre trying to make a few quick connections to test your circuit or having trouble making your multimeter leads stay where you need them, these test hook clips are a must-have for your workshop. These transistor tester hooks are flexible, durable and easy to operate.The hooks make it easier to grasp the battery you are trying to read, allows hands-free testing, great for remote spaces. Made of high quality plastic and metal material, it's non-toxic, odorless, strong and durable. Insulated plastic boot cover is easy to install and safe to use. Test hook length is about 4.2 cm, the total length of the wire is 24cm. It can be used for electronic or laboratory testing, electrical testing work. Item Name: Transistor Tester Material:Plastic,Metal Size:10cmx10cmx2cm/3.94inx3.94inx0.79in Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 3 X Tester Hooks