Features Small Size: This engraving tip is small in size and light in weight, which is very convenient to carry. Premium Material: This engraving tip is made from premium aluminum alloy and high speed steel. Easy Installation: Thisengraving tip is very easy to assemble, saving your time and energy, improving efficiency. High Hardness: This engraving tip can engrave or etch onto hard surfaces for better look. Please Notice: You may need addtional double side adhesive tape to stick your metal item steadily on the mat, slidiing around item doesn't work. Specification: Item Type: Engraving Tip Material: Aluminum Alloy and High Speed Steel Purpose: Engraving Machine Tool Tip Handle Diameter: 0.47in Tail Diameter: 0.6in Total Length: 2.19in Package List:1 x Engraving Tip Note:Please place the top on the "B" bracket Package List 1 x Engraving Tip