System S+U Stitching Needles

Looking for needles stronger and smaller than the standard John James needles that everyone uses? You're at the right place. System S+U needles from Germany. Sizes 1 to 7. Sold in packs of 25. Pictures shown compare between the size 7 S+U needles  Size 1 - 60mm length, 1.1mm diameter, suitable for 0.6mm thread Size 2 - 56mm length, 1.0mm diameter, suitable for 0.55mm thread Size 3 - 54mm length, 0.9mm diameter, suitable for 0.5mm thread Size 4 - 48mm length, 0.9mm diameter, suitable for 0.45mm thread Size 6 - 42mm length, 0.8mm diameter, suitable for 0.4mm thread Size 7 - 42mm length, 0.7mm diameter, suitable for 0.35mm thread