The tool is crafted from steel, ensuring durability and longevity even with frequent use This tool set is ideal for both professional mechanics and DIYer enthusiasts alike, providing everything you need to efficiently disassemble or assemble car piston rings effectively This is a car piston rings disassembly and assembly tool, fit for most of automotive repair and maintenance tasks Crafted from steel, nonslip handle design, comfortable and labor-saving, resistant Includes 1 Piston Plier, 14 piston rings, all neatly packed in a carrying box for convenience and portability