Knitter's Pride Basix Double Point Needles is a similar needle: double point and US 17 (12.0mm) US size. You make also like Bryspun Rosewood Double Point Needles, which is another similar needle: 7" / 7.5" and double point.
You may enjoy taking a look at the Blue Sky Alpacas Bobbi Bear, Spud & Chloe Outer TC's Cozy Hat, Muench String of Pearls Peach Tank Top, and Berroco Brio Goshen Hat kits all using Brittany Double Point Needles.
If you like Brittany Double Point, then you may be interested in the different ways we've used them. Visit our Go Green!, Hat, and Sock corners to see some ideas.