The M12™ rivet tool is the first cordless solution that delivers fast, easy riveting while maintaining performance, durability, and size. The 2550-20 can pull up to 3/16 in. stainless steel rivets, 450 pcs. of 1/8 in. steel rivets on one 1.5 amp hour charge, and reduces muscle effort from a hand tool by over 60%. No co Milwaukee 2550-20 - M12™ Rivet Tool