White steel diamond manual DIY leather leather art suit leather carving punching tool hand sewn leather bag 3/4/5/6mm

[Material] White steel
[Specification] Spacing 3mm 4mm (common) 5mm 6mm
[Use] Small articles with 3mm space (1.5mm surface) and thin leather
For example, spoon bags and leather products smaller than spoon bags.
4mm spacing (2.0mm for surface) and medium thickness leather
Items such as key bags and leather goods of different sizes.
5mm spacing (2.5mm for surface) and medium thick leather
Large objects, such as various leather goods of large backpack size.
Large articles with 6mm spacing (3.0mm for surface) and thick leather,
For example, large leather goods such as various rough and crazy backpacks and saddles

 *Each set includes 4 (1 tooth, 2 teeth, 4 teeth, 6 teeth), and their spacing is different. If you don't know what kind of tools you need, choose 4mm as the common and universal type.