Martin here is the last incarnation on the dynabrades. The yellow line is super soft and floppy and I didnt really like it. The blue line I use on die grinders and other things it has almost zero weight but too much memory for some things its fine just shooting straight back. I run my compressor over its normal shut off point so what I lose in size of the line is made up in higher pressure. I cant remember weather I liked the swivel fitting, at first I thought I didnt as I had taken it off but too long to remember, do remember I helped a carpenter and took it off the sander to put on the framing nailer. Swivel fitting shines on those. Have a Hitachi and its a pretty big clunky tool swivel makes it easier to use.


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