This is the correct OD (8mm) and gauge (brown, extra heavy) to press battery terminals onto battery terminals in FIRST FRC robots. But it should be shorter, about 15 or 20 mm L.
JR Products BR 1020 Mounting Bracket
3 Review
π¨οΈ Optimize Printing Performance with Creality Printer Spring Compression Springs
Marketty Printer Compression Actually Perfectly
πͺ Heavy Duty Assortment of Compression Extension Springs
Bearing 608- ZZ1MC3E (8x22x7) NSK//80018
4 Review
Enhanced Performance Sydien SCS12UU Bearing Bushing Diameter for Precision Machinery
Electric Guitar Strings Ernie Ball 2221 Regular Slinky - (10-46)
5 Review
FKG 99502HNR Bearing Width Pre Lubricated