This is the second time I have ordered this set of two brushes, they are good quality and a reasonable price. I really can't rate them on "suction power" as that's a function of the vacuum they're attached to, but they do the job of separating small particles like drywall dust from various surfaces so the vacuum can suck them up. The bristles are stiff enough to effectively "clean" a surface without excessive flexing, yet flexible enough to conform to non-linear surfaces like a curved edge. shorten with prolonged use, but this is normal and to be expected as it is a consumable item. I would say I use about two or three of these brushes a year. I use it with the Shop-Vac Hangup Pro model 9520262 in my garage to vacuum everything from car interiors to household rubbish. Overall excellent value for money.
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