Vibrant Performance Spring Loaded T-Bolt Clamps are designed to compensate for hose fluctuations resulting from thermal and/or pressure changes that can cause a hose to expand or contract. The spring allows the clamps to adjust to provide even tension. Our T-Bolt Clamps feature 300-Series Stainless Steel construction for the clamp band and Floating Bridge. The T-bolt, lock nut and spring are Zinc Plated Steel. Recommended Torque Spec: 50 in/lbs.