Ekasand-Non Vacuum PSA 3/16 Orbit 5" Disc UN-P-100687. No matter what stage youÂ’re at in your woodworking or refinishing project, thereÂ’s no need to dread sanding anymore. With our EKASAND random orbital sanders, youÂ’ll sand like a pro and save time, money and energy. The lightweight and ergonomic design fits naturally into your hand to prevent fatigue, and only requires a light pressure to give you a better finish.