【Full Size】 SAE And METRIC Packages Are Available, Which Include 10 Mandrel (10-24,1 / 4-20,5 / 16-18,3 / 8-16, M3, M4, M5, M6, M8, M10) , 100 Stainless Steel Nuts (10 Rivet Nuts Per Mandrel) and 1 Step Drill 【Usage】 Fix The Hexagon Rivet Head With A Wrench And Turn The Screw (Driven By Hand Or Electric Drill) To Achieve The Function Of Riveting The Rivet Nut 【Firm And Durable】 The High-Quality Manual Electric Riveting Nut Tool Is Made Of Chromium Steel, Which Increases The Durability And Strength Of The Tool. The Surface Of The Product Is Treated To Prevent Corrosion And Has A Longer Service Life. The Rivet Nut Gun Is Equipped With A Suitcase To Facilitate Storage And Prevent Loss. The Size Of The Bolt Is Ordinary Hexagon Bolt, Which Can Be Matched Locally After The Bolt Is Worn. 【Wide Application】 The Rivet Nut Kit Provides Customized Fastener Solutions For A Wide Range Of Riveting Applications. The Rivet Tool Set Is Very Suitable For Connecting Various Metal Plates And Pipes, And Can Be Widely Used In The Riveting Of Light Industrial Electrical Products Such As Automobiles, Ladders, Furniture, Decoration, Etc. 【Remarks And Warranty】 We Offer You A 30 Day Refund And Half Year Warranty To Ensure Your Satisfaction. If You Have Any Problems, Please Send Us Your Order Number By Email, And We Will Provide You With Effective Customer Support As Soon As Possible. "HIFESON - Provides More Innovative And High-Quality Tools To Simplify Our Work. Usage Guide: 1. Select The Appropriate Rivet Assembly According To The Rivet Size And Install It On The Rivet Nut Head Assembly. 2. Insert The Rivet Nut Head Assembly Into The Hole For Riveting. 3. Use A Wrench To Fix The Rivet Nut Head Assembly, Rotate The Bolt, And Rivet The Nut To The Correct Position Until The Nut Is Firm. 4. The Riveting Tool Rotates The Knob Counterclockwise To Complete Riveting. The Package Includes: One × Hss Cobal Step Drill Bit Ten × Rivet Nut Head Assembly One Hundred × Rivet Nut One × Plastic Storage Box"