What is a master link used for in a chainsaw chain?

A master link is utilized to join both ends of the chainsaw chain, forming a continuous loop necessary for the chain to function properly on the guide bar. The master link enables the quick assembly and disassembly of the chain, which is particularly useful during maintenance and when the chain needs to be replaced or sharpened.

This functionality is essential in chainsaw operation since the chain must be securely connected to perform efficiently and safely. The integrity of the joint created by the master link is critical in preventing chain breakage and ensuring smooth cutting action while operating the saw.