Comparison : Item # 5052 H34 Half Hard 0.0200" x 12" x 18",
Item # 5052 H34 Half Hard 0.0200" x 12" x 24",
Item # 5052 H34 Half Hard 0.0200" x 24" x 24",
Item # 5052 H34 Half Hard 0.0200" x 24" x 36",