Torbot Group Inc United Contour Endo-Tracheal Cleaning Brush 9/16" 16"L Extra Large, Flexible, Reusable And Durable These multi-purpose brushes clean better and faster because the brush is engineered to fit the instrument. Stainless steel looped end handle. Autoclavable. Length of bristle area: 3-1/2". Brush diameter: 9/16". Overall length: 16". Flexible, reusable and durable.