expressed as a number multiplied by the pipe or tube size. For example, the bend radius of a 5 x D bend for a 2-inch nominal pipe size (NPS) pipe or a 2-inch tube is 10 inches. Also called CLR. If you ...

The Apple Watch began with two simple options, but there are now three different models and four distinct case sizes to choose between. That doesn’t even include the models not officially on sale.