Specification Brand : Pssopp BulletPoint1 : Applicable to all sewing machines, it greatly improves the efficiency of the garment making process. BulletPoint2 : Very powerful built-in magnet allows installation and removal at any time without tools or screws. BulletPoint3 : Powerful magnetic seam can be easily installed and adjusted to any position of the metal throat plate. BulletPoint4 : Easy to use, the magnetic seam is a good helper for sewing straight or round track. BulletPoint5 : Magnetic seam gauge is widely used in garment industry and household sewing work. Color : Defult ExternallyAssignedProductIdentifier : 8011666699660 ItemName : Magnetic Seam, Sewing Machine Seam Gauge Thread Instrument Fit for Universal Sewing Machines ItemPackageDimensions_Height : 9.1 centimeters ItemPackageDimensions_Length : 1 centimeters ItemPackageDimensions_Width : 4.8 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : sewing-machine-attachments Manufacturer : Pssopp Material : Stainless Steel NumberOfItems : 1 PartNumber : Pssoppht50gya2zr2642 ProductDescription : Specification: Item Type: Magnetic Seam Gauge Material: Stainless Steel Specification: 1 Use: Household Scope of Application: Most Scenarios Size: Approx. 5.3 x 2.4cm / 2.1 x 0.9in