Comparison : Item # 1031-1903-61-08, 1/2" Flange Steel Captive Flange Code 61 Drilled Holes
Item # 1031-1903-61-12, 3/4" Flange Steel Captive Flange Code 61 Drilled Holes
Item # 1031-1903-61-16, 1" Flange Steel Captive Flange Code 61 Drilled Holes
Item # 1031-1903-61-20, 1-1/4" Flange Steel Captive Flange Code 61 Drilled Holes
Item # 1031-1903-61-24, 1-1/2" Flange Steel Captive Flange Code 61 Drilled Holes