Genuine Guetermann Sewing thread extra strong; 110 yards/100 meters; No./Tkt. 40; for all heavily-stressed seams; ideal for the sewing of jeans material; specially suitable for rugged repair work; for heavy woven fabrics, leather and canvas covers; especially tear-resistant; elastic and soft; stitchable with thin needle for material protection; recommended needle and needle thickness: Universal Needle NM 70-100. Highest quality made in Germany! 100% Polyester. Original packaging only served by TOKO-Kurzwaren Wholesale in Heidelberg/Germany! Please note: Original colors may vary slightly!