1. Knurled thumb nut on the outer surface makes it easier to tighten by hand. Round nut with 2 knurling is easy to assemble and disassemble. You can quickly open and close the airbox cover by hand without any tools.
3. Made of stainless steel 304, durable and corrosion resistant.
Standard:
Material: 304 Stainless Steel Finish: Vibration Polished Thread Size: M3 x 0.5mm
Outside Dia.
: 11mm Total Height: 7mm Thickness (Knurl): 3.1mm
Package:
6 x Knurled Thumb Nuts