Material: ThisCV boot clamp set is made of steel, ensuring durability and longevity even under heavy use. Adjustable CV Joint: The adjustable CV joint allows for flexibility and adaptability, making it suitable for a variety of automotive applications. Dust Cover Included: The drive shaft CV boot clamp comes with a dust cover to protect the CV joint from dust and debris, prolonging its lifespan and maintaining its performance. Two Sizes Available: The small clamp measures between 31.75mm (1.250") - 41.02mm (1.620"), while the large clamp measures between 69.85mm (2.750") - 127mm (5"). Application: Ideal for automotive use, this stainless steel adjustable CV joint with clamps is designed to withstand harsh conditions while providing reliable performance. Specification: Material:Steel Size Chart: Small Clamp: 31.75mm (1.250") - 41.02mm (1.620") Large Clamp: 69.85mm (2.750") - 127mm (5") Package Includes: CV Boot Clamps Note: Please allow slightly errors due to manual measurement and different monitors.