M3-M10 Cordless Electric Rivet Nut Tool Converter, Insert Nut Tool Household Rivet Nut Kit                     Easily convert cordless or corded drills into power rivet nut setters     Includes 8 mandrels and nosepieces in Metric and SAE: M3, M4, M5, M6, M8,M10     The only model on the market that pulls the rivet nut instead of turning threads to set, causing less wear     Innovative design withstands 4X the force of other adapters, and features a CNC machined billet aluminum body and Cr-Mo mandrels     Use 12V and up cordless drills for aluminum and steel rivet nuts, or 14.4V and up for stainless up to 1/4inch (all drills must feature torque limiting clutch)          Suitalble Power Tool: Cordless, pneumatic or corded drills     Drive shaft : 1/4inch(6.35 mm) hexagon     Suitable for riveting nuts: aluminium, steel and stainless steel     Colour:red+black     Material:Aluminum alloy + alloy steel          Package Contents:     1 x Riveting gun conversion head     6 x Adapter     1 x Wrench          Only the above package content, other products are not included.     Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.