1/2" x 1/4"
Tb Woods 10S218 Sure-Flex Sleeve Coupling Flange, 10S, Bore 2-1/8"
What stands out about this ceramic coating is how it repels dirt and water effortlessly.
T.B. Woods SF 2-3/16 Bushing SFX2-3/16
The PR2G Polyester Resin model works great for making lightweight panels and parts.