Vacuum Suction Cup Adapter Design: Featuring a strong suction cup for secure attachment; easily sticks to various surfaces, providing convenient and stable usage for your Vac-U-Lock machines Easy Connectivity with Vac-U-Lock Machines: Specially designed to seamlessly connect with Vac-U-Lock systems; ensures quick and hassle-free setup; perfect for a variety of applications Metal Fitting for Air Tubing: Equipped with a central hole that fits metal tubing; ensures a tight seal, preventing leaks; enhances connection reliability during use Quality and Safe Stainless Steel: Crafted from quality stainless steel; resistant to corrosion and wear; built to last for repeated use without compromising safety Easy-to-Clean Surface: The adapter boasts a smooth surface; simple to wipe down and maintain; doesn’t rust, offering long-term cleanliness and durability Color:blue Material:aluminum Product Size: 4.72 in x 4.33 in x 2.76 in Package Includes:lock suction cup adaptor x 1 Note: - Please refer to the measurement. Tiny measuring error is allowable in normal range. - There might be a little color difference due to the monitor, camera or other factors, please refer to the physical item.