Safety, portability and convenience The MINI PS is the ideal choice when a paddle switch is needed on a 4 1?2? grinderIt can be plugged into a generator, making it the perfect fit for construction sitesThe double action non-locking paddle switch will stop when you release it, making it the safest choice without sacrificing productivity. Product Information Brand WALTER Part # 30A163 Diameter 4-1/2 Inch Free RPM 10,500 Frequency 50/60 Max Diameter 4-1/2" Origin Country DE Product Type Grinders RPM 10500 Spindle Thread 5/8" - 11 Product InformationLightweight and portable Non-locking paddle switch Compact design to fit tight areas Ergonomic, lightweight design Exclusive DUSTGUARD - for outstanding motor life Exclusive QUICK feature for tool-free wheel change Exclusive safety clutch and adjustSuggested ApplicationCleaning and surface preparation Cleaning rust and scale Cutting - steel and stainless Heavy grinding, weld removal, bevelling Maintenance, repair, fabricating Mass production, maintenance, repair, fabricating Sanding, blending Surface preparation