Features • Lightweight & Construction: Crafted from aluminum alloy, this ring sizer measuring tool is both lightweight and portable, making it ideal for on-the-go jewelry sizing • Precision Finger Measurement: Featuring a 31-piece finger sizer kit made of stainl steel, enjoy smooth edges that ensure comfortable handling without risking injury to your hands • Comprehensive Size Options: This metal ring measurement maker kit offers 4 distinct size systems, including US, HK, Japan, and European sizes, ensuring accurate fitting for any ring • Effortl Sizing Proc: Quickly determine ring and finger sizes with this easy-to-use tool, allowing you to surprise loved ones with ly sized rings for special ocns • Protective Double-Headed Hammer: Designed for adjusting rings, this jewelry hammer features a soft tip to safeguard your precious items from unwanted wear and tear during use Features: 1、 ALUMINUM ALLOY: The ring sizer mandrel is made of aluminum alloy. Lightweight, and portable 2、SMOOTH : 31 piece finger sizer kit is made of stainl steel. Fine workmanship bring smooth edges, will not hurt hands 3、ACCURATE SIZE: Metal ring measure ruler is available in 4 sizes, including US size 2？15(specific to quarter size), Hong Kong size(HK), Japan size, European size(CU). Finger size gauge is US standard size 0？15(specific to half size) 4、EASY MEASUREMENT: With this ring size measurement tool, you can quickly calculate the size of ring and finger. Then give your husband, wife, girlfriend, boyfriend a ring of the correct size as a surprise gift 5、DOUBLE HEADED JEWELRY HAMMER: Used to hold and adjust rings. The clever design of the soft tip can well protect your precious jewelry from wear and tear Specification: Item Type: Ring Sizer Measuring Tool Material: Aluminum alloy, stainl steel Bar Code: US, Hong Kong, Japan and Europe Circle: US standard size circle Package List: 1 x Ring Mandrel 1 x Hammer 1 x Ring Gauge Finger Sizer Note: The ring mandrel is a tool for ring sizing, but not for ring stretching. Package List 1 x Ring Mandrel 1 x Hammer 1 x Ring Gauge Finger Sizer