valianto 5'' air random orbital palm sander, dual action professional pneumatic sander with speed regulation valianto <b>product parameter:</b></br> air pressure: 90 psi</br> air consumption: 4 cfm</br> free speed: 10000 r.p.m</br> sander type: non-vacuum</br> colour: red / gray / silver</br> air hose id: 3/8", air inlet:1/4''</br> two size sanding pad available(5'', 6'')</br> </br> <b>about pneumatic sanders: </b></br> pneumatic sanders are also called air sanders and run on power generated by an air compressor. non-vacuum models such as these are not connected to a vacuum system and are used in applications where dust extraction is not a concern. </br> </br> <b>using your pneumatic sander:</b></br> this tool is intended to be operated as a handheld tool and is air-powered. it requires an air compressor that will provide a clean lubricated air, the point where the air hose is connected to the tool, when the tool is running with the level fully depressed.</br> </br> <b>why choose valianto's random orbital sander? </b></br> valianto random orbital sanders optimize sanding also known as dual action (d/a) palm sanders, these industrial-grade tools rotate the abrasive disc and disc pad in two simultaneous overlapping oval patterns so no single abrasive particle follows the same path twice, producing a random scratch and swirl-free finish ready for paint or varnish. we are eager to provide you with the highest quality products and an unparalleled experience.