1.2" x .3" x .05" tin plated steel bar w/ 3 through holes on .375" centers. Catalog number: 14415. Brand: Tinkering Supplies. Brand's Part Number: H01441-01Y.
1.95" x .3" x .05" tin plated steel bar w/ 5 through holes on .375" centers. Catalog number: 14407. Brand: Tinkering Supplies. Brand's Part Number: H01440-01A.
2.75" x .3" x .05" tin plated steel bar w/ 7 through holes on .375" centers. Catalog number: 14399. Brand: Tinkering Supplies. Brand's Part Number: H01439-01R.
3.55" x .3" x .05" tin plated steel bar w/ 9 through holes on .375" centers. Catalog number: 14381. Brand: Tinkering Supplies. Brand's Part Number: H01438-01U.