Specification Brand : Heathrow Scientific BulletPoint : 1-5411-04 BulletPoint1 : Magnetic stir bars are made from alnico, one of the strongest permanent magnets available BulletPoint2 : The sintered manufacturing process reduces the chance of decoupling (spin outs), which weaker stir bars often suffer from BulletPoint3 : Encapsulation in ptfe protects both magnet and what it is stirring. Chemically inert and easy to clean BulletPoint4 : Can withstand temperatures up to 250°c, making them suitable for use with both unheated and heated stirrers Color : White ExternallyAssignedProductIdentifier : 4582110947988 ItemName : Heathrow Scientific 120549 Stir Bar, Made from ALNICO, Encapsulation" PTFE, Low Friction Octagon Shape, 1 x .3", White (Pack of 10) ItemPackageDimensions_Height : 9.2 centimeters ItemPackageDimensions_Length : 2.7 centimeters ItemPackageDimensions_Width : 5.6 centimeters ItemPackageQuantity : 1 ItemShape : Octagonal ItemTypeKeyword : science-lab-stirrer-bars Manufacturer : Flygain (H.K.) Precision Technology Co. Ltd. Material1 : ALNICO Material2 : PTFE ModelNumber : 120549 NumberOfBoxes : 1 NumberOfItems : 10 NumberOfPieces : 10 PartNumber : 120549 ProductDescription : ●material: PTFE (ethylene tetrafluoride) ● Total length x Side Length: 40 x 14 mm ● Quantity: 1 piece Included ● Model Number: 1.440 ProductSiteLaunchDate : 2018-03-05T08:00:01.000Z StreetDate : 2018-03-05T00:00:01Z UnitCount : 10