The Stanley Tools Assorted Rivet Set is a contractor-grade riveter that provides dynamic pressure to lock blind rivets securely with minimal effort. Equipped with a removable ejector spring for automatic rivet mandrel release and made of rugged die-cast metal, this Stanley Rivet set works with virtually all rivet diameters in any metal. Exceptionally suited for stainless steel rivets in marine applications, this is the perfect tool kit to keep your boat afloat. Target has the tools for your heavy-duty repairs - check out the home improvement section of Target.com to find more handy options.