SAGOLA N501 Pneumatic Sanders designed for grinding and fast sanding Pneumatic orbital sanders with 5 mm. oscillation, prepared for fast grinding with a high-quality surface finish SAGOLA N502 Two-handed sanders for grinding Pneumatic orbital sanders with 5 mm. oscillation, prepared for fast grinding. It requires two hands to operate, very comfortable for sanding to vertical surface SAGOLA N251 Pneumatic Sanders for high quality finishes Pneumatic orbital sanders with 2,5 mm. oscillation, allows high quality finishes without leaving swirl marks on the surface SAGOLA N251 R Pneumatic Sanders for fine finishes Pneumatic orbital sanders with 2,5 mm. oscillation, allows high precision and quality finishes. Ergonomic design and lightweight for retouching