Addi Aluminum Double Point Needles and Addi Steel Double Point Needles are both similar needles: double point and US 1 (2.25mm) US size.
You may enjoy taking a look at the Tahki Montana Felted Eco-Tote, Madelinetosh Tosh Merino Tea Leaves Cardigan, Classic Elite Fresco Winter Wonder Mittens, and 2 Knit Wits Lacy Beanie with Brim kits all using Clover Double Points Needles.
If you like Clover Double Points, then you may be interested in the different ways we've used them. Visit our Go Green! and Sock corners to see some ideas.