M4 M5 M6 M8 ~ M24 Protective Caps For Screws Hexagon Screws Cover Caps Hat Nuts
● Size: M4 M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24. ● For example: M3-6 9 (for M3 nuts, the inside of the protective cap hole is 6mm x 9mm in height). ● Specification: Mother specification - protective cap inner hole opposite side x height.