Description: Material: Stainless Steel,plastic Size: 8.5x7.7x7.7cm/3.3x3x3inch This tool is used for setting ring,Fine selected metal,it has smooth surface for comfortable operation Wear-resistant and durable, not easy to rust, with sufficient materials for quality assurance It comes with 7 different sizes of non-slip ring covers,Complete specifications for easy use and strong usability Package Includes: 1 piece Ring mount 1 piece Hex key 7 piece Ring Dies