Our aim is creating trendy and very unique sport accessories. We do modifications, testing, trying to find a factory and a design that could be aesthetic. Our backpack will be ideal from all with renewable durable and extremely strong patterns. We design our products with easy setup and storage. We value for our clients and encourage them with their passion.Stainless steel nipple dimensions conform to ASTM A733 and ASME B36.19. NPT threads on stainless nipples conform to ASME B1.20.1. Specifications. Size 0.12 x 2.5 in.. Weight 0.05 lbs