Description This product is convenient and realistic music wheel, fabricated from sturdy nylon material, secure to use and excellent in texture. The real looking design makes it have a variety of use, and might be well-used in reversing railings, backyard gates, and terrace sliding doors. The product has splendid craftsmanship, good flexibility, easy to slide, and very practical. Features -Color:Yellow -Material:Nylon -Size:11.00X5.00X5.00cm/4.32X1.97X1.97in -Screw Standard:M12 - Sturdy & durable: manufactured with official know-how to guarantee long durability. - Widely applicable: can be utilized for courtyard gates, terrace sliding doors, indoor sliding doors, etc. - Portable & compact: the handbook roller is small and light, smooth to store and use, and intensely convenient. - Smooth movement: use our guide rollers to make your sliding doorways slide smoothly and quietly, no much friction and noise. - Universal design: widely suitable for most forms of sliding doors, easily set up and remove, prevent tipping over.2 x Guiding Wheels