Pipe Ring With Boss Stainless Steel

1/8 (10.29MM) 20 X 1.6, 1/8", 1/4 (13.72MM) 20 X 1.6, 1/4", 3/8", 1/2", 3/4", 1", 1-1/4", 1-1/2", 2", 2-1/2", 3", 3-1/2", 4", 5", 6", 8", 10 (273.05MM) 50 X 5