These spring-loaded test Pogo / probe pins that are normally used for testing circuit boards or programming via electronic JTAG interfaces. They also make killer-looking robot feet! Use them with the PPH1 pogo pin holder for quick and easy replacement.

This model has 6 grooves tapering to a point on a 1.27mm (0.050″) diameter head. The outer shaft diameter is 1.01mm (0.040″), overall uncompressed length of 33mm (1.3″) with 6.5mm (1/4″) travel.