Specification Brand : Blendin BulletPoint1 : Compatible with Oster & Osterizer Pro 1200 Watts Series Part # 179854-000-000 BulletPoint2 : This 179854-000-000 replacement is compatible with Oster Pro 1200 base and Newer Master Series with motor top opening of 4.25 Inches. BulletPoint3 : The top opening of the base must be 4.25". If it is smaller, this base would not fit. Please see 2nd and 3rd picture to make sure this item fits your blender BulletPoint4 : Compatible with BLSTJJ, BLSTEP, BLSTPBR, BLSMB-CGB-000, BLSMB-GTF-000, BLSMB-CBF-000, BLSMB-BBG-000, BLSTMB-CBG, BLSTMB-CBF & BLSTMB-BBG Models. BulletPoint5 : BPA Free Color : Black CustomerPackageType : Standard Packaging ExternallyAssignedProductIdentifier1 : 850013652037 ExternallyAssignedProductIdentifier2 : 0850013652037 GpsrSafetyAttestation : 1 IncludedComponents : Bottom Base IsDishwasherSafe : 1 IsMicrowaveable : 1 ItemDisplayDimensions_Height : 1.5 inches ItemDisplayWeight : 3 ounces ItemName : Blendin Replacement Jar Base Bottom Cap, Compatible with Oster Pro 1200 Watts Series Blender. Replaces Part # 179854-000-000 ItemPackageDimensions_Height : 11.2 centimeters ItemPackageDimensions_Length : 7.3 centimeters ItemPackageDimensions_Width : 11 centimeters ItemPackageQuantity : 1 ItemShape : Round ItemTypeKeyword : countertop-blender-replacement-parts Manufacturer : Blendin Parts Inc. Material : Plastic MaterialTypeFree : BPA Free ModelName : NutriBullet ModelNumber : OST-1200-BASE NumberOfItems : 1 NumberOfPieces : 2 PackageLevel : unit PartNumber : OST-1200-BASE PowerSourceType : Corded Electric ProductDescription : This 179854-000-000 replacement part is compatible with Oster Pro 1200 Series base and Newer Master Series with motor top opening of 4.25 Inches. The top opening of the base must be 4.25". If it is smaller, this base would not fit. Please see 2nd and 3rd picture to make sure this item fits your blender. Replaces Part # 179854-000-000. BPA Free. Compatible with BLSTJJ, BLSTEP, BLSTPBR, BLSMB-CGB-000, BLSMB-GTF-000, BLSMB-CBF-000, BLSMB-BBG-000, BLSTMB-CBG, BLSTMB-CBF & BLSTMB-BBG Models. ProductSiteLaunchDate : 2019-11-21T18:54:58.639Z Size : 24 oz Style : Modern SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 24 UnspscCode : 52141500 Voltage : 220 volts WarrantyDescription : 90 days from the date of purchase WarrantyType : Limited Warranty