UNIQUELY INNOVATIVE: These needles are square in shape with rounded corners, and feature a subtle texture to help keep stitches in place. STRESS-FREE KNITTING: The square shape allows for easy grip without putting too much strain on the hand, and are ideal for anyone who has experienced pain while knitting. SPEEDY STITCHING: They feature addi’s Turbo finish, which makes for a quick yet smooth experience, and the tips are addi’s sharply tapered Rocket/Lace points, which are perfect for getting into tight spaces or completing complex stitch patterns. Per industry standard, all circular knitting needles are measured from tip to tip. Actual needle lengths: 16″ and 20″ circulars - 3.5 in/8.8 cm, 24″ and above - 5 in/12.8 cm.