579 Jojosew Germany Groz needle, gold needle, heat-proof needle, titanium-plated needle, round head buttonhole needle, phoenix eye needle
No. 7, No. 8, No. 9, No. 10 can be used for thin materials, such as silk lightweight fabrics
No. 11 and No. 12 can be used for knitting, general thin materials
No. 14 can be used for normal fabrics with medium and thin materials. Normal fabrics are thicker.
Often the fabric is thin
Size 16 can be used for thicker and thicker fabrics, denim, canvas, acrylic
cloth etc
Size 18 can be used for thick thread, wool thread, thick canvas, thick denim, etc.
extra thick
