เกลียวลด Reducing Bushing

1-1/2" To 1", 1-1/2" To 3/4", 1-1/2" To 1/2", 1-1/4" To 1", 1-1/4" To 3/4", 1-1/4" To 1/2", 1" To 3/4", 1" To 1/2", 1-1/2" To 1-1/4", 2-1/2" To 2", 2-1/2" To 1-1/2", 2-1/2" To 1-1/4", 2-1/2" To 1", 2" To 1-1/2", 2" To 1-1/4", 2" To 1", 2" To 3/4", 2" To 1/2", 3" To 1-1/4", 3-1/2" To 3", 3-1/2" To 2", 3" To 2-1/2", 3/4" To 1/2", 3" To 2", 3" To 1-1/2", 4" To 3-1/2", 4" To 3", 4" To 2-1/2", 5" To" 4, 5" To 3", 6" To 5", 6" To 4", 6" To 3"