These 25cm length fixed circular needles are asymmetrical.

One needle is 7cm long needle and the other 4.5cmm long needle.

This allows for small diameter knitting....perfect for socks, sleeves etc.

Zing 2.50mm x 22.5cm circular needle...perfect for socks, sleeves...allows knitting in a very small circumference.

Addi Basic Sock Wonder. LACE Innovative 25cm circular knitting needles with one short tip and one long tip. Helps you comfortably grip the needle while knitting your small circumference projects. Lightweight, smooth, nickel free metal rounded tips with pliable gold cord and snag-free joins for easy all-round use.