Description This plastic fitting accessory is designed to connect square tubes of different sizes seamlessly. It features a hollow, insulating sleeve that ensures a secure and stable connection between square tubes. The adapter is ideal for various construction and maintenance applications, providing a reliable solution for joining square tubes with different dimensions. Features -Color:Black -Material:Plastic -Size:6.00X4.00X4.00cm/2.36X1.57X1.57in -durable material: made from durable and reliable plastic material, ensuring longlasting performance and resistance to wear and tear -Precise size conversion: designed for square tube size conversion, making installation and connection straightforward and efficient -Versatile design: the hollow sleeve, liner sleeve, and tool sleeve design make it suitable for various applications and needs -Effective protection: provides excellent protection and tool for tubes, extending their service life and maintaining their integrity -Wide application: ideal for use in a variety of equipment and devices, widely applicable in construction, industrial, and other fieldsPackage list: 6pcs x square tube reducing sleeves