Round Thumb Nuts ， 1-5pcs Knurled Round Coupling Nut M3 M4 M5 M6 M8 M10 M12 M14 M16 Stainless Steel Extended Cylindrical Flat Head Knurled(M8x25x14 2pcs)(M8x15x12 2pcs)

1，Knurled Thumb Nuts, SizeM3 M4 M5 M6 M8 M10 M12 M14 M16. 2，Knurled Knob Thumb Nut，InstallationThe barrel connection mounts nuts can be installed easily and stably, without the need for additional tools to tighten them, can be easily tightened, installed, and removed by hand. 3，Metal Round Knobs Hand Nuts，FeaturesThreaded design helps increase hand friction and grip, without burrs, elegant and practical, the surface is oxidized to make the nut round and soft to the touch, the hand is even, and it is not easy to slip during use. 4，Round Knobs Fastener，Made of stainless steel, which features is strength and offers good resistance in bad environment like high temperature, cold weather, and high humidity areas. 5，Thumb Nuts，Neat threads, smooth and labor-saving surface, no burrs do not hurt your hands.