10x Knurled Thumb Nuts, M2-4 Knobs Hand Grip Knob Nut, Nickel Plating, Aluminum
10 pcs/set Knurled Thumb Nuts High And Thin Types M2 M2.5 M3 M4 Nickel Plating. Model: Thumb Nuts. Use: For various rack locking. Material: Aluminum alloy / Carbon Steel.