The square tube glide sleeve is a versatile accessory for fitness gear, providing a snug fit and smooth sliding functionality. Its material resists deformation and makes sure long-term use. Whether for repair or replacement, this sleeve enhances the efficiency of workout apparatus, meeting the needs of fitness enthusiasts and professionals alike. Features -Color:Black -Material:PP, PA -Size:6.00X4.80X4.80cm/2.36X1.89X1.89in -Note: 50mm-40mm; thickness: 1.5mm-2.1mm -Increased load capacity tube sleeve: the hollow design significantly enhances the load-bearing capacity of exercises machines -Seamless movement tube sleeve: precision manufacturing allows for seamless sliding, reducing friction and noise during exercise -Broad compatibility: the conversion square tube is designed to fit a wide range of exercises machines brands and models -Extended lifespan: constructed from , wear-resistant materials, it offers a longer service life and less frequent maintenance - : enhances the tightness of connections, preventing loosening and ensuring a stable workout environment Package list: 4 x square tube hollow sleeve bushings