This attachment turns your cordless screwdriver or drill into an easy and fast working riveting appliance youll save a lot of time energy and money for setting various threaded blind rivet nuts into different materials to produce durable joints the attachment is fitted with a 635mm shank allowing it to be used with any drills or cordless screwdrivers with a minimum torque of 20 nm easy to use 1 place the required insert on the attachment then screw attachment onto drillscrewdri