Save by buying the "Buddy Pack" This package includes 1/2", 3/4" & 1" Pipe Pal Conduit Spacers. Version 2 (v2) buddy pack includes markout inserts and also has 0, 90 & 180 degree marks  on the spacer. This is great for manually marking out conduit center and also works as an assistant for bending box offsets (reduces chances of dog legs).
WARNING: Spacers/Inserts contain small magnets. Keep out of reach of children/pets