This kit is housed in a durable red blow-molded carrying case and typically includes:22 Press Sleeves: These cylindrical adapters come in various sizes (ranging from 34mm to 90mm) to fit different vehicle components. Many feature "U-Plot" notches to allow for visual inspection during the pressing process.5 Pulling Spindles: High-strength threaded rods (usually M10, M12, M14, M16, and M18) equipped with thrust bearing nuts to reduce friction and increase pressing force during operation.