The Unior 621617 Shaft Adapter O 20 for the 1689 is a tool or accessory for socket sets by Unior, designed for tightening and loosening operations on nuts, bolts, or screws of similar application.

It provides firm application and reliable power transmission, making it suitable for workshops, mechanical work, vehicle repairs, and demanding technical applications.

• Suitable for tightening and loosening tasks
• Series/type: 1689
• For use with corresponding socket or accessory tool
• Ideal for workshops, maintenance, and mechanical work
• Durable construction for professional use