Knitter's Pride-Basix Double Pointed Needles. Basix birch needles have the lightness of birch and the strength of natural wood. They are ideal for today's chunky yarns, easy stitch glide and no snagging. They are gentle in the hand and provide hours of comfortable knitting with no hand fatigue. This package contains five 8-inch-long double pointed needles in one size. Comes in a variety of sizes.