These are good inexpensive tools for working with small circuits. They're better than the fancy aluminum "famous brand" in my son's robot kit.
Stainless Steel Ball Chain Connectors for Industrial Hardware
5 Review
PGN Roller Chain Feet Connecting: Enhancing Efficiency and Durability
3 Review
π Forney 70421 Double Loop Chain: Must-Have 3-by-100-Feet Heavy-Duty Style
6 Review
Enhanced Roller Chain Feet π Connecting Links: Improved Efficiency and Longevity
3 Review