Oscillating spindle sanders feature oscillating action that reduces friction heat to protect wood and prolong sleeve life. Main spindle support runs on precision ball bearings and is oscillated by a heavy-duty worm and gear mechanism for consistent performance. Table tilts 45 degrees to accommodate bevel sanding projects. Table inserts help prevent dust and debris from falling into motor. Spindle sanders have built-in storage racks to keep spindles and inserts handy. Benchtop Spindle Sander has 1/2HP induction motor and built-in 2 dust ports. Oscillating gears run in sealed lubricated box to prolong their life. Floor Stand Sander has a powerful 1HP motor and 4 dust port connection. Worm and gear mechanism runs in an oil bath to prolong life.