Urocare - Adjustable White Tube Clamp is a medium sized clamp that has 6 incremental adjustments. This allows you to or reduce or completely restrict urine flow, depending on your needs. This product is compatible with vinyl, latex, silicone, and white rubber tubing. This product is a replacement thumb clamp that is included with the Urocare Urinary Drainage Bottle (URO4100). Size: 1.5" x 1" x 0.7".