Secure and slip-resistant connection between the extraction unit and power tool. Extremely compact dimensions for ideal handling with the power tool. The swivel joint prevents the hose from twisting. The integrated bayonet lock connects the suction hose's coupling securely and quickly to the power tool's extraction port and can be easily detached. You determine the timing - not chance. Whether sawing or sanding, in the workshop or on-site. For efficient, clean, and health-conscious working with a system. Dust-free.