Hutchins 3960 Vacuum Extraction Random Orbital Sander - Designed for todayÂ’s needs. The 3960 offers the same aggressive material removal as the 3560 only in a vacuum extraction configuration. Constructed with a composite motor housing and shroud, this sander delivers vibration-free sanding in a light-weight package. The unique 4 bearing support and over-sized drive head eliminate pad wobble and insure full pad support.Includes patented pad release feature.