ETC Lens Tube Knob Set

The complete set needed for securing standard lens tube to source 4 fixtures

1 x 7060A4008-01 Source Four Knob

1 x HW5143 Washer flat fibre

1 x HW5200 Brass Spacer 

1 x HW5197 Screw, PH, 1/4-20 x 5/8”, black zinc