alaTest has collected and analyzed 62 user reviews of Koblenz P-620 A from Amazon.com. The average user rating for this product is 4.3/5, compared to an average user rating of 4.0/5 for other products in the same category on Amazon.com.

I have only used it for buffing ceramic tiles. I followed the manual's instructions on how to attach to the main unit...after a few passes on the floor..one of the buffer pads kinked and got off the attachment unit several times. I am disappointed with...