0999 by Dixon Valve | Pinch-On Clamp | Stepless® Ear Clamp | 9/16" Nominal Size | Clamp Range: 0.472" Closed to 0.571" Open | 304 Stainless Steel | Box of 100Features: Once installed and clamped, tampering is easily visible. Ensured clamping seal. For low durometer or thin walled hose tubing. For silicon, vinyl, polyurethane, or other high tech materials. Smooth inner band prevents damage to the hose while the tongue in groove design provides a 360 seal. No steps or gaps inside the clamp. Clamps hold against pressure, vibration, and material shrinkage due to temperature changes or aging. Built in spring