About Product:Brand: CHMC: stainless steel air holes article number: stainless steel air holes models: stainless steel air holes scope of application: ambry chest shoe specification: 19 mm flat, 25 mm plane, plane 29 mm, 35 mm plane, the plane up to 35 mm, 53 mm plane, convex 19 mm, 25 mm convex, convex 29 mm, 35 mm convex, increasing convex 35 mm, 53 mm convex, dark handle 35 mm flat, convex dark handle 35 mm, 35 mm vent plane, convex vents 35 mm, 35 mm double, welcome to negotiate wholesale whether cross-border supply of goods: no surface: the light