KnitPro smartstix is a clever range of knitting needles that also function as rulers. Featuring laser engravings at 2cm intervals, measure your gauge and track your progress simultaneously as you knit. Each needle is made from lightweight aluminium and is characterised by the precise and flawlessly tapered needle tips inherent to all knitting needles. SmartStix interchangeable needle tip set features absolutely everything you need to create circular knitting needles of a wide range of sizes and lengths in one compact case.