The M04071 Key is designed for securely locking rotating parts, like gears and pulleys, onto shafts in King packaging machinery. This essential component ensures precise alignment and prevents slippage, supporting stable power transmission across various systems, including tablet counting, liquid filling, cotton inserting, labelling, and capping machines. Built for durability in high-demand environments, the M04071 Key enhances operational reliability, maintains consistent performance, and contributes to the longevity of King packaging equipment.