Items Description Material: 304(A2-70) chrome steel Size = d (inside thread diameter) xL(sleeve length) Metric thread diameter: M3 (3mm) / M4 (4mm)/ M5 (5mm) / M6 (6mm) / M8(8mm) / M10(10mm) Metric thread pitch: 0.5mm(M3) / 0.7mm(M4)/ 0.8mm(M5) / 1mm(M6) / 1.25mm(M8) / 1.5mm (M10) Product show