This is the Norton ULTRA BLUE STRIPPER pad.
Sold by the case (5 pads in a case).
SIZES; 6-1/2" to 9-1/2" (2-3/4" removable center)
For use on the most severe floors. This pad has eaxtra heavy duty fibers, more abrasive grain & an open weave designed to strip floors quikly & effectively, reducing labor costs.
These pads are dipped not sprayed which makes for a longer lasting pad.
The 6-1/2" to 9-1/2" pads are a non stock item so allow an extra 3-5 days for delivery.