Product Description Material: Aluminum Size: 24.5cm Measuring range: 41-76 (mm) Style: Style 1, Style 2 Quantity: 1pcs Package content: 1*UKUS ring stick+0-15 US degree ring/41-76 European degree ring 1.Measure Tool SizeMetal ring stick measure tool with US sizes of 0-15 and European sizes of 41-76 (come in half sizes, no quarter sizes) 2. High Quality MaterialRing sizer mandrel is made of aluminium.The ring sizer gauge set is made of stainless steel,long service time 3.Useful Tools for You Choose RingWith the ring guage you can easy to know which size you need,and can give you husband/ wife,girlfriend / boyfriend a surprise give her/him a correct size ring as a gift. 4. Measure Size EasilyRing sizer or finger gauge made of alloy metal, measures the size of your fingers for making rings. Fine workmanship With round outside and flat inside, smooth edges do not hurt your hands. 5. Package included: 1 ring sizer guage + 1 ring sizer mandrel