Features: 1.High quality brass material for durability. 2.The leather surface is smooth and shiny. 3.The leather have soft, curved edges that do not crack. 4.When worn, it will not fade if it is scraped with nails. 5.Suitable for processing curved or flat edges of leather. 6.A practical leather trimming tool and an ideal choice for DIY leather craft lovers. 7.A total of 9 different sizes for different DIY needs. specification:Item Type:Leather Edge Brass Solder Material:Brass Color:Yellow Size:1.0mm 1.5mm 2.0mm 2.5mm 3.0mm 4.0mm 5.0mm 7.0mm 9.0mm PackageList:9 x Leather Solder Tip NoteModel and function: 1, Hot edge line model: 1MM--4.0MM (2)1.5mm, 2MM, mostly used for block decoration lines. (3)3MM, 4MM are mostly used for positioning of the edge of the package 2, edge banding model: 5MM 7MM 9MM (1), hot line 5, 7, 9MM; (2), used for edge sealing. The method is: sanding the edge - beeswax edge sealing - brass inserts to seal the edge. 3, two sets of edge banding combination: a set of two models: (1), the arc groove is: 1.5MM-2MM-3MM-4MM is suitable for processing the curved leather edge, suitable for small piece such as strap. (2) The flat bottom groove is: 3MM-4MM is the same size as the French hot edge head, suitable for processing the plane edge of the long and short clip belt, and the front tip can handle the small part such as the belt hole.