[M5 5pcs]
knurled thumb nut hand tighten nutM2 DIAMETER 5MM, HEIGHT 5MMM2.5 DIAMETER 5MM, HEIGHT 5MMM3 DIAMETER 8MM, HEIGHT 6MMM4 DIAMETER 8MM, HEIGHT 6MMM5 DIAMETER 10MM, HEIGHT 8MMM6 DIAMETER 10MM, HEIGHT 8MMM8 DIAMETER 12MM, HEIGHT 10MM