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 Sleeve Model: R125-4S Material: Brass Function: Security Accessories Probe Sleeve Diameter: Approx. 2.36mm / 0.09in Overall Length: Approx. 30mm / 1.18in Height from Probe to Raised Ring: Approx. 7.5mm / 0.3in Probe Sleeve Drilling Size: Approx. 2.4mm / 0.09in. Package List: 100 x Spring Test Probe Sleeve