Knitter's Pride Basix Single Pointed Needles is a similar needle: 13.75" / 14" (35cm), straight, and US 50 (25.0mm) US size. You make also like Knitter's Pride Nova Cubics Single Pointed Needles, which is another similar needle: 13.75" / 14" (35cm) and straight.
You may enjoy taking a look at the , and Crystal Palace Mochi Plus Broomstick Lace Stole kits all using Susan Bates Luxite Jiffy Knitting Needles.
If you like Luxite Jiffy Knitting Needles, then you may be interested in the different ways we've used them. Visit our Crochet corner to see some ideas.