We are one of the   prominent RK 4689 PUBER (BOYER 50) / RK 4689 PUDER (BOYER 60) / RK 4689 PUGER (BOYER 80) Pneumatic Riveting Hammer Manufacturers in Kolkata, West Bengal. These are  air compressor operated tool used to drive rivets. Nearly all rivet guns are pneumatically powered. Those rivet guns used to drive rivets in structural steel are quite large while those used in aircraft assembly are easily held in one hand. These days riveting guns are not only used in fabrication but a host of other applications as well. Our Pneumatic Rivet guns vary in size and shape and have a variety of handles and grips.