Pad Centering devices keep the pad held to the pad driver .
No more wobbling pads or pads flying off during use. Several types for all applications.
Strong Construction with large threads for long life .
Gray is left hand threaded for standard floor machines.
Blue is right hand threaded.
White is a snap together version, used on many High Speed and Automatic Scrubber applications.
Black is the Center -Lok version, small threads .
Red is Left Hand Threaded w/small threads .