Economy Series More details Built with economy in mind and perfect for the DIY market. RK-8000 Series More details 1-YEAR-WARANTY.? Carry case included. Modular design for easy repairs. RK-9000 Series More details 2-YEAR-WARANTY Extremely Ergonomic, Lightweight, High Performance Riveting Kingset? System More details Collated Autofeed system for blind rivets 1/8, 5/32 and 3/16" diameters.