These are 90° Aluminum AN x NPT adapters they are either anodized blue or black depending on your selection. They come in AN sizes -3, -4, -6, -8, -10 and then on the other side they have NPT threads in 3/4", 1/2", 3/8", 1/4", 1/8". The fittings come in various sizes and combinations of NPT and AN not all AN sizes come with all NPT sizes. 

If You Purchase More Than $25 dollars of product from our store the freight is FREE!! 

Pictures May not be of actual size or color of the fitting you are ordering.