features:_Plastic_Elegant Design_Unique_Accurate for sizes: 0 to 17 (17 sizers)_Marked US & Metric_Works with all needles (metal, wood, bamboo, _plastic, straight needles, double points, circular)_Patent Pending_Functional Packaging_Crafted in California

"Denyse, the needlesizer is the coolest tool I've seen in a long time! Thanks so much for sending one my way! Your products are imaginative and elegantly crafted and I am happy to have them."