Comparison : Item # 50813, 0.0625 x 1 Inch (in) x 18 Gauge x 12 Inch (in) Steel 1018 U-Edge
Item # 50814, 0.0625 x 1 Inch (in) x 18 Gauge x 24 Inch (in) Steel 1018 U-Edge
Item # 50815, 0.0625 x 1 Inch (in) x 18 Gauge x 36 Inch (in) Steel 1018 U-Edge
Item # 50816, 0.0625 x 1 Inch (in) x 18 Gauge x 48 Inch (in) Steel 1018 U-Edge
Item # 50817, 0.0625 x 1 Inch (in) x 18 Gauge x 72 Inch (in) Steel 1018 U-Edge