Knitter's Pride Basix & Jumbo Circular Needles. Has the lightness of birch and the strength of natural wood. Needle tips made of birch wood mean perfect points. Now available up to Jumbo size 25mm (US 50). Ideal for today's chunkier yarns. Polished wood surface works effortlessly with every type of yarn without slowing down knitting rhythm. A smooth join ensures easy stitch glide and no snagging. Resilient, flexible cords lay flat with no kink or twist, easy to store. Provides hours of pleasurable knitting with no hand fatigue. Warm to the touch, and gentle in the hand.