Specification Brand : QWORK BulletPoint1 : Versatile Compatibility: Specifically engineered to fit all 3/8'' and 7/16'' rocker studs, making it a versatile addition to your automotive toolkit. BulletPoint2 : Application: Ideal for compressing valve springs while the cylinder head is still on, streamlining the process of checking or replacing valve springs. BulletPoint3 : Ease of Use: Designed with a handle that provides optimal leverage for effortless coil spring compression and straightforward disassembly. BulletPoint4 : Robust Material: Constructed from heavy-duty steel with anti-rust and anti-corrosion treatment for long-lasting durability and reliable performance. BulletPoint5 : Package List: Includes 1 x Stud Mount Valve Spring Compressor Tool. ExternallyAssignedProductIdentifier1 : 0795973719874 ExternallyAssignedProductIdentifier2 : 795973719874 ItemName : QWORK Heavy-Duty Stud Valve Spring Compressor Tool for All 3/8'' & 7/16'' Rocker Studs -Valve Spring Removal Installer Tool ItemPackageDimensions_Height : 3.43 inches ItemPackageDimensions_Length : 12.68 inches ItemPackageDimensions_Width : 3.43 inches ItemPackageQuantity : 1 ItemTypeKeyword : automotive-valve-train-tools Manufacturer : QWORK ModelName : QS16458 ModelNumber : QS16458 NumberOfItems : 1 PartNumber : DG16458 ProductDescription : QWORK SupplierDeclaredDgHzRegulation : other UnitCount : 1 UnspscCode : 40141600