4 Pcs Greenhouse Door Wheels 29mm Diameter, Sliding Door Roller Compatible with Most Greenhouses

Product Description:\n-These greenhouse door wheels fit most greenhouses with sliding doors. Complete with screws and nuts, convenient and practical to use.\n-Our greenhouse door wheels are made of nylon with stainless steel ball bearings, all screws and spacers are also made of stainless steel, rust-proof and durable for long-term use.\n-The diameter of the nylon wheel is 29 mm, the inner diameter is 18 mm; The screw is M6x18; The inner diameter of the spacer is 6 mm. Universal size to fit most greenhouses with sliding doors.\n-Door wheel kits have a long service life and beautiful appearance, door wheels that are easy to move back and forth by sliding the door roller.\n-The package includes 4 pieces of nylon wheels, 4 pieces of M6x18 screws, 4 pieces of hex nuts and 4 pieces of 6 mm spacers.\nPackage:\n4x Nylon wheels\n4x M6x18 screws\n4x Hex nuts\n4x 6 mm spacers\nProduct Specifications:\nColor: White, silver\nMaterial: Nylon, stainless steel\nWheel diameter: 29 mm\nInner diameter: 18 mm\nInner diameter of spacer: 6 mm\nScrew: M6x18