Description This fitness equipments accessory is designed to provide a fit for square tubing, ensuring stability and durability. The hollow tube insert sleeve is ideal for converting tube sizes, making it an essential component for maintaining and upgrading exercise machines. Its robust construction ensures long-lasting performance, enhancing your workout experience. Features -Color:Black -Material:PP, PA -Size: 5.10X5.10X4.10cm/2.00X2.00X1.61in -Stability enhancement: boosts the stability of fitness equipments, making it suitable for various workout scenarios -Robust material: made from materials that are sturdy , ensuring longlasting durability -Fitness experience: meets diverse needs, providing a fitness experience -Friction reduction: the bushing design effectively reduces friction between equipments, protecting surfaces from scratches and wear -Versatile application: suitable for various fitness equipments, allowing users to combine and adjust according to their needs for diverse training methodsPackage list: 4 x hollow sleeve bushings