Addi Rockets Needles and Crystal Palace Bamboo Circular Needles are both similar needles: 16" (40cm), circular, and US 13 (9.0mm) US size.
You may enjoy taking a look at the Debbie Bliss Baby Cashmerino 4 Scottie Jacket, Tahki Postage Stamps Tunic, Tahki Montana Felted Eco-Tote, and Cascade 220 Lewiston Striped Vest kits all using Clover Circular Needles.
If you like Clover Circular, then you may be interested in the different ways we've used them. Visit our Go Green! and Hat corners to see some ideas.