Innovative Components AN5C10004P721 2.50" 4 Prong knob 5/16-18 x 1.00" steel zinc stud black pp (Pack of 10)

The Hillman Group 55421 Arm Clamp Knob Male, 1-1/2 X 1/4, 4-Pack

DimcoGray Black Phenolic 4 Prong Knob Female, Brass Insert: 5/16-18" Thread x 7/16" Depth, 2-1/4" Diameter x 1-1/8" Height x 1" Hub Dia, 9/16" Hub Length (Pack of 10)

Davies-A10-2837-H Thermoplastic Four Arm knob, Flute Rim, Threaded Through Hole, 3/8"-16 Thread Size X 1/2" Thread Length, 2-1/4" Diameter (Pack of 10)

Innovative Components AN4C07503P421 1.75" 3 Prong knob 1/4 - 20 X 3/4" steel zinc stud black pp (Pack of 10)

Davies Thermoset Four Arm knob, Flute Rim, Threaded Stud, 1/4"-20 Thread Size X 1" Thread Length, 1.50" Diameter (Pack of 10)

Innovative Components - ANH7-HEX4P7---- ANH7-HEX4P7- 2.50" Snap Lock 4 Prong Knob hex hole to accept 1/2" nuts and bolts, black pp (Pack of 10)

Innovative Components AN6C4P7L-21 2.50" 4 Prong knob thru hole 3/8 -16 steel zinc locknut black pp (Pack of 10)

The Hillman Group 55420 Arm Clamp Knob Male, 1-1/8 X 1/4, 4-Pack

Innovative Components AN5C1000RT521 2.00" Royal 3 Prong knob 5/16-18 X 1.00" steel zinc insert (Pack of 10)