uxcell 2 Pcs M5x0.8mm HSS 3 Flutes Metric Screw Hand Tap Thread Tools Total Length: 64mm/ 2.5"; Total Weight: 16g; Product Name: Hand Plug Tap Shank Diameter: 5mm/ 0.2"; Flute Diameter: M5/0.2"; Flute Number: 3 Material: HSS; Package Content: 2 x Hand Plug Tap Thread Length: 16mm/ 0.63"; Square Head Size: 4 x 4mm/ 0.16" x 0.16" (L*W) Color: Silver Tone; Pitch: 0.8mm