54224Originally translated from english hello with one of these centers, look for them here Features:Durable and long lifeHigh hardness, high temperature wearHandle made of high quality steel bearingSuitable for repairing bicycles, assembling furniture, making machinery, etc. Specifications:Material: 6542 high speed steel (HSS), titanium surfaceColor: as pictures showSize: M2,M2, 5,M3,M3, 5,M4,M5,M6M2: 2mm x 0.4mm(pitch), length: 45mm/1.76" (Approx.)M2, 5: 2.5mm x 0.45mm(pitch), Length: 46mm/1.79" (Approx.)M3: 3mm x 0.5mm(pitch), Length: 50mm/1.95" (Approx.)M3.5: 3.5mm x 0.6mm(pitch), Length: 52mm/2.03" (Approx.) M4: 4mm x 0.7mm (Pitch), Length: 58mm / 2.26" (Approx.) M5: 5mm x 0.8mm (Pitch), Length: 60mm / 2.34" (Approx.) M6: 6mm x 1mm (Pitch), Length: 68mm / 2.65" (Approx.) Thread Direction: Right Hand Quantity: 1Pc Note: No retail package1. Transition: 1cm=10mm=0.39 inch2. Please allow 0-3cm error due to manual measurement. Pls make sure you don't mind before you bid.3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Included: 1 x Hand Screw Taps"