KnitPro 'Cubics' Symfonie Rose Interchangeable Needle Tips
KnitPro 'Cubics' Symfonie Rose Interchangeable Needle Tips  Ref: KP/IN/CUB/TIPS

Each Cubics needle or interchangeable tip has a square section which tapers to a rounded tip.

Needle size is measure diagonally across the square part of the needle and can be checked using a needle gauge as with other needles