Specification AssemblyInstructions : Require assembly Brand : Frassie BulletPoint1 : [Stable metal base] The material of this computer chair base is metal, which is stable. Stable metal material provides a strong chair base. BulletPoint2 : [Heavy duty Bottom plate] Gaming office chair tilt mechanism mounting hole spacing: 10" * 6". Turn the handwheel to tighten or loosen the rear tilt tension. BulletPoint3 : [4.9" stroke cylinder] The gas lift cylinder (Class 3) length is 278mm and the extension length is 403mm. Stroke 125mm (4.9inch). BulletPoint4 : [Smooth and quiet rolling casters] This office caster has precision ball bearings to provide smooth and quiet movement, and the steel structure is durable. Universal size: 11×22mm. BulletPoint5 : [Service] If there is any problem with the gaming office chair base set, please contact us, we will solve it for you in time. BulletPoint6 : 【Easy to Assemble & Clean】Straightforward assembly process with clear instructions and included accessories, enabling quick and hassle-free setup of the counter height bar stools. Stain-resistant and waterproof properties for added durability, simple stain removal with just a damp cloth, saving time and hassle in the long run. BulletPoint7 : 【Customer Service】Our after-sales service team is dedicated to addressing any issues or concerns promptly and effectively. Please feel free to contact us directly for customer service. CareInstructions : Wipe Clean Color : Metal Black ExternallyAssignedProductIdentifier1 : 717016023854 ExternallyAssignedProductIdentifier2 : 0717016023854 FabricType : Faux Leather FurnitureBaseMovement : glide FurnitureFinish : Metal IncludedComponents : Caster IncludedComponents1 : Cushion IncludedComponents2 : Metal Legs IncludedComponents3 : Footrest IsAssemblyRequired : 1 ItemName : Frassie 28 inch Nylon Gaming Chair Base Replacement with Bottom Plate Stand Cylinder, 5 Casters (Metal Black) ItemPackageDimensions_Height : 36.3982 centimeters ItemPackageDimensions_Length : 20.8026 centimeters ItemPackageDimensions_Width : 35.6108 centimeters ItemPackageQuantity : 1 ItemShape : Star ItemTypeKeyword : video-game-chairs ItemTypeName : Gaming chair base Manufacturer : Frassie Material : Nylon Material1 : Faux Leather Material2 : Metal MaximumWeightRecommendation : 50 pounds ModelName : 28 inch chair base ModelNumber : 28 inch NumberOfBoxes : 1 NumberOfItems : 1 NumberOfPieces : 2 PartNumber : 28 Inch nylon base Pattern : Solid ProductDescription : chair base with Bottom Plate Stand Cylinder ProductSiteLaunchDate : 2023-12-20T02:56:35.136Z RecommendedUsesForProduct : Gaming Size : 2 PCS 24'' Height Style : Modern SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 SurfaceRecommendation : Hard Floor UnitCount : 2