Torbot Group Inc United Contour Trachea Tube Cleaning Brush - 3/4" 8" L Large, Flexible, Reusable And DurableThese 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: 3-1/4". Brush diameter: 3/4". Overall length: 8". Flexible, reusable and durable. Economical package of 12 brushes.