Comparison : Item # 21,173, Copper 110 H02 Flat Bar 0.0625x0.5x12"
Item # 21,174, Copper 110 H02 Flat Bar 0.0625x0.5x24"
Item # 21,175, Copper 110 H02 Flat Bar 0.0625x0.5x36"
Item # 21,176, Copper 110 H02 Flat Bar 0.0625x0.5x48"
Item # 21,177, Copper 110 H02 Flat Bar 0.0625x0.5x72"