M3 M4 M5 M6 Aluminium Alloy Knurled Thumb Nut Blind Hole Hand Grip Knobs Nuts
● Size: M3 M4 M5 M6. ● 【Easy to Install】 The knurled surface on these thumb nuts provides optimal gripping allowing the nut to be tightened and loosened by hand pressure alone eliminating the need for tools.