Pancake coil: Lengths: 50, 60, 66, and 100ft and 15, 18, 20 and 30m (or upon your request ). Packing: Pancake coil with each end capped ,with general plastic bags or shrinked and then put in carton. O.D and Wallthickness: upon your request Purpose and standards: (1)Pancake coil For Air-conditioning And Refrigeration Field Service ASTM B280 (2)Pancake coil For General Engineering Application ASTM B75 (3)Pancake coil For Refrigeration, Oil Lines, Gasoline Lines ASTM B68