【15 Various Interchangeable Mandrel】:VIGRUE this kit includes almost a complete sizes of mandrel for you: 7pcs of metric sizes M3 M4 M5 M6 M8 M10 M12; 8pcs of SAE sizes #6-32 #8-32 #10-32 #10-24 1/4-20 5/16-18 3/8-16 1/2-13 【Effective & Durable】:16\'\' Rivet Nut Hand Tool provides maximum leverage, heat treated thickened steel and and ergonomic anti-skid handle, save 40% effort when riveting your project; black phosphating finishing protects against corrosion 【Solid & Handy Case】: the rivet nut tool and 15 sizes mandrel are packed in a rugged, compact convenient carrying case for storage and portability, and every mandrel in mini box with sizes lable for easy get the size you want. 【300PCS Rivet Nuts Kit】:VIGRUE this rivet nut tool kit come with 300pcs rivnuts kit which includes 15 sizes of rivet nuts: metric sizes M3 M4 M5 M6 M8 M10 M12; SAE sizes #6-32 #8-32 #10-32 #10-24 1/4-20 5/16-18 3/8-16 1/2-13; a complete sizes for your using. 【Wide Application】:It provide professional solution for all kinds of rivet nuts cases as metal plate, plastic piece, riveting workpiece, bicycle attachments, car attachments, decorations etc. 【No Hassle Service】:VIGRUE is a professional fasteners seller brand, providing lifetime service for our product quality problem, if you\'re unhappy with our product for any reason, please feel free to contact us, we offer 7days/24 hours reply. › See more product details