Addi Sock Rockets Needles and Kollage Square Circular Needles are both similar needles: 16" (40cm), circular, and US 1 (2.25mm) US size.
You may enjoy taking a look at the Classic Elite Magnolia Scoop Neck Top, Classic Elite Magnolia Silverbell Shrug, and Classic Elite Magnolia Royal Empress Scarf kits all using Crystal Palace Bamboo Circular Needles.
If you like Bamboo Circular Needles, then you may be interested in the different ways we've used them. Visit our Go Green! corner to see some ideas.