SAN10 Sewing Machine Needle

I apologize for any confusion. After further research, it appears that the "SAN 10" needle you mentioned may be referring to the Schmetz SAN 10 Industrial Sewing Machine Needle. Schmetz is a well-known brand that produces a wide range of sewing machine needles.

The SAN 10 needle is specifically designed for industrial sewing machines and is often used for heavy-duty applications. It is a type of needle primarily used for sewing leather, vinyl, and other thick or tough materials. The SAN 10 needle has a larger eye and a stronger shaft to handle the demands of sewing through challenging materials.

Please note that the information provided is based on the assumption that you are referring to the Schmetz SAN 10 needle. If you have a different context or specific details about the needle, it would be helpful to provide additional information for a more accurate response.