■ Made of aluminum te-pa-supe-sa- ■ 5 mm haidt oversized (28.6 mm) ■ ■ Inside Diameter: outside diameter: 32.5 mm (top) 34.0 mm (bottom) ■ Color: Black ■ Head under the top cap, or the top and bottom of the stem if this spacer can be used, ramps and a slight contour around the head and doesnt even look. * Please note that the product may change without notice design, specifications, appearance, and the difference display please understand.