Toggle set for wide strap, bead weaving, narrow loom, or multiple strands, especially with different size beads. Run strands from one D ring to the other. Use a few jump rings to attach the bar to either one, and then loop through the other D ring. D rings are 20 x 16 mm. Holes are on 3.9 mm centres. Bar is 30 mm wide. Slot is 14 x 2.5 mm inside diameter.
20mm By the each.