Cascade Magnum Natural #10 Cascade Magnum is a 100% Peruvian wool in a super bulky weight of 2 stitches per inch. Using a US#15 needle, this single ply, soft blend, your projects will work up fast! Cascade Magnum is great for sweaters, hats, scarves, home decor, and more. Felts great too! Let your imagination run wild! Made in Peru. #10 is a natural creamty white of 100% Peruvian wool 250grams/123yds 1.5 sts per inch/6 sts per 4 inches. US#15-19 Felts!