The jewelry measurement tool set includes a durable ring mandrel and a rubber hammer, for reshaping and resizing rings. The mandrel is designed to handle of hammering, allowing you to make precise adjustments. The rubber hammer provides a gentle touch, preventing damage to your jewelry while ensuring accurate resizing and reshaping. Features -Color:Assorted Color -Material:Copper, rubber, stainless steel -Size:24.00X6.30X2.20cm/9.43X2.48X0.86in -Size:23.50X2.40X2.40cm/9.24X0.94X0.94in -Precise ring adjustment: the solid ring mandrel can be hammered to achieve precise ring size adjustments, ensuring a fit every time -Ring shape repair: with the included jewelry rubber hammer, you can easily restore the shape of rings, keeping them looking beautiful -Versatile jewelry tool: this tool is ideal for not only rings but also for reshaping and repairing various types of jewelry -Sturdy materials: made from a copper rod and rubber hammer, it is designed for durability and longterm use without damage -Easy to carry: its compact and lightweight design makes it portable, allowing for convenient ring adjustments and repairs wherever you are Package list: 1 sizer hammer 1 x jewelry rubber hammer