Tips：The radian of the wheel shell of the wheel is different, or the hole position is different, please do not buy it Specifications: - Material: Plastic - Color:Black (As Pictures Show) - Feature:Dual Roller Wheels - Dimensions : 10.2*6.5cm /4*2.55 inch (As the Picture Show) Quantity: 4Pcs Features: - 4 pieces replacement left & right luggage suitcase wheels. - Suitable for bags, luggage, trolley case ,and need you have a strong ability in DIY. - Dual roller bearing wheels,rotating flexible, load-bearing. - Easy to install ,for a long time use. - Please check the detail size before you purchase it. Package Contents: 4Pcs Dual Roller Wheels Swivel Casters Note: The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 【Good Performance】Before leaving the factory our goods well-tested by the manufacturer, Ultra durable. 【Superior Quality Material】 Made from durable good quality material and well-tested by the manufacturermade from durable good quality material. 【Easy To Use】Our products have been carefully designed by designers to be easy to use and conform to ergonomics. 【Fine Manufacturing】Precise processing and adjustment ensure that each parts are consistent, improving the machine. 【 Quality Assurance】We are committed to providing our customers with more reliable products and better customer service. If you have any questions about our products, please contact us by email and we will be happy to help you.