The built in precisions control valves allows adjustable sanding speeds to accommodate different materials from fine wood polishing to aggressive metal surfaces preparation Versatile compatibility with wood, metal, and surfaces makes this low vibrations sander ideal for multi materials applications, overcoming limitations of traditional single purpose sanders Equipped with an automatic shutdown feature, this industrial sander stops immediately upon detecting abnormal pressure, ensuring secure operations in workshops or small factories Featuring an ergonomic handle design, this metal built air sander minimizes user fatigue during prolonged use while offering plugs and play for beginners and professional alike This 75x100 pneumatic sander delivers powerful and stable with advanced air powered technology, ensuring efficient grinding for automotive repair, furniture restoration, and metalworking projects, Manufacturer: PXZH