Knitter's Pride Nova Cubics Single Point 10-inch (25cm) Knitting Needles Set 310405 Set of 9 needle pairs: US 4 (3.5mm), US 5 (3.75mm), US 6 (4.0mm), US 7 (4.5mm), US 8 (5.0mm), US 9 (5.5mm), US 10 (6.0mm), US 10.5 (6.5mm), US 11 (8.0mm) Thoughtfully packaged set of eight most used sizes, in three length option Needle size is measured diagonally, fits into a standard needle sizer, just like round needles Packed in an elegant metallic grey faux leather case for convenient storage