Specifications: Brand: MssoommModel: EGW20 20mm widthThis item includes:4Pcs EGW20 Square Linear Rails Guideway, Length 114.17 inch / 2900mm8Pcs EGW20CA Carriage Sliding Guide Block ( Low Assembly and Flange Slider )Lead Time: If this item is not FBA, the lead time is 7-10 Business Days except for for Chinese National Day holiday and Spring FestivalCustomizable Processing and Technical Support:1. We can provide any length that you want, and please let us know what lengths are suitable for you.2. If you need end machining according to your drawings, please tell us before order.3. As a professional seller, we can provide complete information of the products.（Contains CAD drawings and 3D modeling files）Please contact us. 4. All products are provided lifetime technical support. Maintenance:This product is smooth and easy for maintenance. Customers may use # 46 grease to maintain its performance.