Comparison : Item # T321 Annealed 0.0030" x 12" x 12",
Item # T321 Annealed 0.0030" x 12" x 18",
Item # T321 Annealed 0.0030" x 12" x 24",
Item # T321 Annealed 0.0030" x 24" x 24",
Item # T321 Annealed 0.0030" x 24" x 36",