5-Pack 4-Inch Thumb Screw Key Clamps - Easy Installation, Perfect for Ductwork ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? 5-Pack 4-Inch Thumb Screw Key Clamps - Easy Installation, Perfect for Ductwork Features: NO MORE TOOLS! ? Install ductwork and hoses effortlessly; no additional tools necessary. LARGE EASY TO TURN KEY - Made from a strong polymer, designed to prevent knuckle injuries while tightening or loosening. Often used for securing duct work, dryer vents, dust collection hoses, piping, and large cables. Constructed from 304 stainless steel - strong, durable, and rust-resistant. Flexible adjustable size range from approximately 4-7/16? to 3-7/16? for 4" clamps; additional range for 5" to 6" clamps. Benefits: Save time and effort with tool-free installation. Protect your hands with ergonomic key design. Versatile for various applications in automotive, industrial, and household settings. Corrosion-resistant material ensures long-lasting performance. Wide size adaptability caters to different hose and duct diameters. Why choose our Thumb Screw Key Clamps? Upgrade your ductwork and hose installations with our 5-Pack 4-Inch Thumb Screw Key Clamps. Designed for effortless installation without tools, these clamps redefine convenience in securing hoses and ducts. The large, easy-to-turn key made from durable polymer enhances usability and protects your hands, while the 304 stainless steel construction guarantees strength and rust resistance. Ideal for a wide range of applications?from automotive to household?these clamps provide flexibility and durability all in one package. Choose our Thumb Screw Key Clamps for an efficient, user-friendly ductwork solution that lasts. Order your set today and experience the difference! Shipping Free Fast Shipping - We offer free shipping to most of the USA with a normal delivery time of 3-7 days. However, due to the current situation, additional delivery time (up to 3 weeks) may be required for some items. Alternative Carriers - We may use alternative carriers (e.g. USPS, FedEx, UPS, etc.) to ensure your package arrives safely and on time. Due to the use of multiple carriers, we are unable to provide a tracking number automatically. Handling Time - Orders are processed and shipped within 1-2 business days of receiving cleared payment. Shipping Restrictions - Shipping to Alaska, Hawaii, Puerto Rico, Guam, and other US territories may incur shipping charges or delivery restrictions. Please contact us before ordering, or your order can be refunded/cancelled. State Restrictions - There may be restrictions based on your state of purchase. For example, certain items may not be shipped to California due to state regulations. Contact for Tracking Updates - If you require tracking updates or have any concerns about the delivery of your order, please feel free to contact us, and we will be happy to assist you. Return 30-Day Hassle-Free Returns - We want you to be completely satisfied with your purchase. If you are not, you can return the item within 30 days of receiving it for a full refund or exchange. Easy Return Process - To start a return, simply contact us and we will provide you with a prepaid return shipping label and detailed instructions. Restocking Fee - There are no restocking fees for returns. However, the buyer is responsible for return shipping costs if the return is not due to a seller's error. Refund Processing Time - Refunds will be processed within 5 business days of receiving the returned item in its condition. Payment We accept all major credit cards, PayPal, and Apple Pay for your convenience. Your payment information is secure and encrypted to ensure a safe and seamless transaction. Please complete your payment within 3 days of purchase to avoid any delays in shipping. Feedback Your feedback is extremely important to us. We strive to provide the best products and customer service possible. If you are satisfied with your purchase, please take a moment to leave us a positive review. If you have any concerns or issues with your order, please contact us before leaving negative feedback. We are committed to resolving any problems and ensuring your satisfaction. Contact Us If you have any questions or concerns, please feel free to out to our customer support team. You can contact us through the messaging system. We are available Monday to Friday, 9:00 am to 5:00 pm EST, and we will do our best to respond to your inquiry within 24 hours. Buy it now and enjoy a pleasant shopping experience! Items Included: Hose Clamps Material: Stainless Steel,304 Stainless Steel,Alloy Steel Placement on Vehicle: Stainless Steel Hose Clamps Features: Rust-Resistant,Adjustable Size,Easy to use Key,Durable,Flexible Finish: Silver Type: Hose Item Diameter (Exterior): 4 in