Specification Brand : MJM Car Speaker Adapters BulletPoint : IZZY USA LLC (TM) products are manufactured in the USA using strict ISO 9001 Registered Quality Management. Proprietary formulation for durability and performance. 50+ years of manufacturing expertise. BUY THE BEST! BulletPoint1 : Durable Construction: Crafted from CNC machined PVC plastic, these speaker spacers are built to last and won't rot like MDF or wood BulletPoint2 : Perfect Fit: Designed to fit 5.25" speakers, with an ID of 4 3/4" and OD of 5 3/4 BulletPoint3 : Stackable Design: Allows for easy installation and adjustment of speaker depth BulletPoint4 : Commercial Grade: Ideal for framing fiberglass enclosures, these spacers are tough and reliable BulletPoint5 : Black Finish: Discreet and sleek, these spacers blend seamlessly with your speaker setup Color : Gold DriveSystem : External Hex ExteriorFinish : Brass ExternallyAssignedProductIdentifier1 : 712662500469 ExternallyAssignedProductIdentifier2 : 0712662500469 ExternallyAssignedProductIdentifier3 : 05011204614707 FinishType : Brass GpsrSafetyAttestation : 1 GradeRating : Commercial IncludedComponents : Vitrex 10 202600V 2.50mm Tile Spacers (Pack of 3000) ItemForm : Rod ItemName : 5.25" 5 1/4" Speaker Spacers Depth Extender Extending Rings - 1/4" Thick - ID: 4 3/4" OD: 5 3/4" - 1 Pair - SSK525 - Stackable - Perfect for Framing Fiberglass Enclosures ItemPackageDimensions_Height : 22.7 centimeters ItemPackageDimensions_Length : 2.5 centimeters ItemPackageDimensions_Width : 17.2 centimeters ItemPackageQuantity : 2 ItemShape : Cylinder ItemTypeKeyword : hardware-spacers Manufacturer : MJM Car Speaker Adapters Material : Brass MeasurementSystem : Metric MeasurementSystem1 : Metric MeasurementSystem2 : Inch MetalType : Brass MetalType1 : Nickel MetalType2 : Brass ModelName : Tile Leveling System 0.5mm ModelNumber : US-SA-AJD-101530 NumberOfBoxes : 1 NumberOfItems : 2 NumberOfPieces : 25 PackageLevel : unit PartNumber : SSK525 PowerSourceType : manual ProductDescription : Our speaker spacers are made to the highest quality standards, right here in the USA. They are made from CNC machined PVC plastic, and will not rot like MDF (medium density fiberboard) or wood. Our speaker adapters are tough as nails. Whether replacing worn speakers or simply upgrading, our speaker adapters will allow you to install your aftermarket speakers with ease. ProductSiteLaunchDate : 2015-11-26T16:40:37.396Z Size : 2.5mm Pack of 3000 StreetDate : 2012-06-13T00:00:01Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 100 UnspscCode : 52161600