Made of wood materials, and anti-rust, gentle and no barbs, it is your good helper. It is suitable for processing, polishing, repairing, adding diamonds, etc. of jewelry or rings. After putting the ring into , insert a wedge into the other jaw to fix the ring. Features -Color:Brown -Material:Wood -Size:20.00X5.00X5.00cm/7.86X1.97X1.97in - The jaws with smooth surface to protect your ring or jewelry from deformation or pinch marks. - With its stable clamping force, this tool allows for intricate and detailed , making it a versatile choice for various jewelry making projects. - It is suitable for processing, polishing, repairing, adding diamonds, etc. of jewelry or rings. - After putting the ring into , insert a wedge into the other jaw to fix the ring. - It is a small tool for jewelers or those who like DIY, simple, convenient and easy to operate. Package list: 1 Clamp