Upgrade your fitness equipments with this durable tube sleeve converter. Designed for square tubing, it provides a secure fit and easy installation. The hollow tube bushing insert is ideal for repairing or upgrading exercise machines, ensuring they function smoothly and efficiently. This fitness equipments spare part is essential for any dedicated workout enthusiast. Features -Color:Black -Material:PP, PA -Size: 5.10X5.10X4.10cm/2.00X2.00X1.61in -Stability enhancement: improves the stability of fitness machines, suitable for various exercise environments -High construction: made from materials that are robust and sturdy, ensuring durability - options: meets diverse needs, offering a tailored fitness experience -Friction minimization: the insert sleeve design significantly reduces friction, protecting equipments surfaces from damage -Adaptable fitness use: ideal for various fitness equipments, allowing users to mix and match for versatile workout routines Package list: 4 x hollow sleeve bushings