Specification Brand : uxcell BulletPoint1 : Product Name : Mechanical Seal;Model No. : 301-12 BulletPoint2 : Internal Diameter : 11mm / 0.43";Overall Size : 17 x 24mm / 0.67" x 0.94" (Max.H*D) BulletPoint3 : Material : Rubber, Alloy, Metal;Main Color : Black, Silver Tone BulletPoint4 : Net Weight : 15g BulletPoint5 : Package Content : 1 x Mechanical Seal Color : "Black, Silver Tone" ItemName : uxcell 11mm Inner Diameter Single Coil Spring Water Pump Mechanical Seal ItemPackageDimensions_Height : 0.762 centimeters ItemPackageDimensions_Length : 10.16 centimeters ItemPackageDimensions_Width : 6.604 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : mechanical-seals Manufacturer : uxcell Material : Rubber, Alloy, Metal MeasurementSystem : Metric ModelNumber : a12070300ux0087 NumberOfItems : 1 PartNumber : a12070300ux0087 ProductDescription : Features in single coil and inbuilt spring, this mechanical seal is safety, ease in installation and strong generality. It applies to various cooling pumps, water pumps and similar mechanical rotary axis.