ITEM NAME:Brand New And High Quality 90 Angled Brass Truck Tire Valve Stems Steel Wheels Description: Brand new and high quality. TR570C Brass Stem, Snap-In Rubber Base - 90 degree Bend (Not Parallel) Bent at a 90 degrees. Angle to fit most tubeless tire rims The Valve has about 16 mm Inner diameter were it mounts on the rim, not at the bottom. Material: Stem Brass | Rubber Stem Base . Specification: Inner diameterï ¼Å¡16mm/0.63 Inch Outer diameterï ¼Å¡19mm/0.75 Inch Package Includes: 1 Piece Brass Tire Valve Stem SKU: DMO0000044252027869.1 Piece Brass Tire Valve Stem. TR570C Brass Stem, Snap-In Rubber Base - 90 degree Bend (Not Parallel). Material: Stem Brass | Rubber Stem Base. Bent at a 90 degrees. Angle to fit most tubeless tire rims.