Rivet box for fixing mower bar blades Bertolini Pratolina and new models and Casorzo Round head rivets, also known as curved head rivets, allow the attachment of blade sections to the mowing bars of mowers and motor mowers. Rivets are highly stressed components that very often need to be replaced during work. The riveting nails we offer are made in Italy and made of particularly resistant metal which allows for durability comparable to the originals. Round head rivet technical characteristics: Diameter: 5.2 mm Length: 22mm Box net weight: 2 Kg Mowing bar blade section compatibility: Bertolini Pratolina and New Models Casorzo_x000D_Material Steel Diameter 5.2mm Production Made in Italy Applications Bertolini and Casorzo mowers Weight 2kg Compatibility Bertolini Pratolina and New Models Length 22mm Form Round head