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. Also, the US 36 and US 50 needle tips are not metal but sparkle-tastic plastic.
Looking for more options?
Knitter's Pride Jumbo Birch Fixed Circular Needles is a similar needle: 40" (100cm), circular, and US 50 (25.0mm) US size. You may also like Knitter's Pride Naturalz Fixed Circular Needles, which is another similar needle: 40" (100cm) and circular.
You may enjoy taking a look at the Spud & Chloe Sweater Flower Power Throw, Debbie Bliss Baby Cashmerino Little Jacket, and Rowan Felted Tweed Robinia kits all using Addi Turbo Circular Needles.