PHYHOO Plastic Jewelry Ring Mandrel Sizer Finger Gauge Sizers Stick Rings Size Measurement Measure Tool Ring sizer gauge set has 27 Pieces, Size from 0 up to 13, with 1/2 sizes between each one(no quarter sizes) Ring sizer mandrel measure with US sizes of 1-15 and European sizes of 41-76 Package includes: Ring Sizer Stick x 1; Ring Sizer Gauge x1 Material: Plastic. Size26.5CM X 3CM/10.34'' X 1.17''(approx)