Nexus Safety Rings

Nexus Lights Safety Rings, Set of Safety Rings, Suitable for all Nexus Shapes, Nexus Strobes and Nexus Uplights, Outer diameter (outer ring): 18 mm, Inner diameter (inner ring): 11.3 mm, Thread: M4, Thread length: 8 mm, Package quantity: Ten pieces, Includes ten flat washers and ten spring washers ...