it is convex at the top fairing down into a concave (shown inverted)

and yellow

and extremely affordable

Integrated hang holes for wall mounting

000 RPM motor engineered for fast stock removal

Festool 576326 ETS EC150/3 EQ-Plus Sander TGJ2.512 it is convex at the6" Random Orbital Sander The new ETS EC 150 EQ is perfectly built for manual operation to reduce fatigue when carrying out overhead sanding work and a good feeling on edges, as well as convenient operation in any position. This sander is only 4 1 2" (116 mm) high, contains a brushless EC TEC motor, and ergonomic housing geometry with perfectly balanced center of gravity. This sander also comes with additional innovative details such as automatic dust