Instruct: Classify a given Amazon review into positive or negative sentiment.
Query: Specific tool

I'm a professional floor finisher and use the Multi-Master nearly every day for sanding corners. I use the tool at least once a week for floor repair. My only complaint is the cost of the blades. I can buy a decent 10" chop saw blade for the cost of a 1-3/4" 'E" type blade.