Cascade Yarns Magnum Poinsettia #9646 Cascade Yarns Magnum Poinsettia #9646. Magnum is a 100% Peruvian Highland wool in a super bulky weight of 2 stitches per inch! Your projects will fly off the needles and you'll be done before you know it. Our Magnum is a designer favorite with the huge color palette and is ideal for sweaters, hats, scarves, home decor, and more. Let your imagination run wild! 100% Peruvian Highland Wool Size: [6] Super Bulky Weight. Knitting Needle Size: US 15 - 17 / 10.0 - 12.0 mm. Knitting Gauge: 6 - 8 sts = 4" (10 cm). Weight: 250 g / 8.82 oz. Approx. Yardage:123 yds / 112.5 m. Hand wash Cold. Lay Flat to Dry.