1POWER RIVET ADAPTER KIT: The rivet adapter can be used with a standard cordless drill and screwdriver to transform into a power nut riveter (via 1/4inch hex socket). Use 18V24V cordless drills (all drills must be equipped with a torque limiter clutch). 2INTERCHANGEABLE RIVET HEADS: Equipped with 6 interchangeable rivet heads (4 mm, 2 mm, 0 mm, 8 mm, 6.0 mm, 6.4 mm). Each size chuck comes with 6 nuts for your various riveting operations. 3PORTABLE: Comes with a sturdy carrying case that easily protects and stores drills, nuts and rivets, easy to carry and transport, convenient to use at any time. 4WIDELY USED: This kit is very practical and can be used for installation and maintenance of buildings, cars, elevators, instruments and furniture. 5MATERIALS: Made from high carbon steel, chrome vanadium steel and aluminum alloys to ensure durability and reliability to withstand the wear and tear of daily use. The aluminum handle is non slip and comfortable.