Feature:1. Probe Sleeves: The spring test probe sleeve can protect the testing pin and ensures better testing accuracy as well.2. Practical Use: Suits perfectly for P125 test pin with various head shape, the sleeve is very practical and reliable.3. Good Material: Forged with high quality brass material, has a large contact area and great electrical conductivity.4. 100Pcs in All: There are 100pcs pin sleeve in the set, which brings more convenience to the working and replacement.5. The Parameter: 2.36mm sleeve diameter, 30mm total length, 7.5mm height from probe to raised ring, simple to install.Specification:Item Type: Spring Test Probe SleeveModel: R125-4SMaterial: BrassFunction: Security AccessoriesProbe Sleeve Diameter: Approx. 2.36mm / 0.09inOverall Length: Approx. 30mm / 1.18inHeight from Probe to Raised Ring: Approx. 7.5mm / 0.3inProbe Sleeve Drilling Size: Approx. 2.4mm / 0.09in.Package List:100 x Spring Test Probe Sleeve