10 mm (0.39 in); 7 mm (0.28 in); 18 mm (0.71 in). Includes: One (1) hand pump. Portable. Durable. 2x the volume 2x the action. High volume output for air beds, boats and other large inflatable items. Pumps air on both the up and down strokes. Accordion style hose with 3 different nozzle sizes to fit most valves. Durable, light-weight plastic body. Please retain this packaging for reference. Made in China.