Top quality, wonderfully smooth and easy to use White bronze-plated aluminium tips Snag-free joins Supple and flexible cords Length and size printed on the cord Addi Turbo needles are truly great, fast circular needles! The metal in these makes projects slide easier and faster!! Please note some of the smaller needle sizes do not follow standard US sizing. Addi needles labeled Size US 1 (2.5mm) are truly Size US 1.5 (2.5mm); needles labeled Size US 2 (3.0mm) are truly Size US 2.5 (3.0mm); needles labeled Size US 2.75mm are truly Size US 2 (2.75mm).