Attributes:* Tap & Die Thread Size: M3 x 0.5 (Left Hand)* Tap Accuracy: H2; * Square Shank Size: 2mm / 0.08"; * Tap Thread Length: 13mm / 0.51"; * Tap Total Length: 52mm / 2.05";* Die Outside Diameter: 20mm / 0.79"; * Die Thickness: 5mm / 0.2"What Is Included:* 1 Piece x Thread Tap, 1 Piece x Round DieApplications & Features:--- The tap and die set can be used to repair damaged threads or create new threads in maintenance and repair work, suitable for processing stainless steel, aluminum alloy, cast iron, copper, iron, aluminum, and plastic. The thread tap is used for tapping internal threads in through holes or shallow blind holes, such as threads in nuts, threaded inserts, pipes, valves, parts, and the round die is used for processing, correcting or cleaning external threads on rods or bars, bolts or studs.