The RZX 16" Rivet Nut Tool is a professional-grade setter kit that includes 12 M12 size rivet nuts. This tool features a durable aluminum construction and comes neatly packaged In An Aluminum Case For Easy Storage. The rivet nut tool is designed for use with unified thread style and is made with high-quality materials to ensure long-lasting performance. With a weight of 8.42 pounds, this RZX model is a reliable choice for any home or workshop tool collection. HANDLE WAS BROKEN DURING SHIPPING, See second photo above.