The package includes 20 red epoxy resin mixer, each measuring approximately 6.5 x 1.3 inches, that fit all 3/8inch hand drills, are easy to clean and reusable. Paint mixer for drill is made from high-quality reinforced plastics that don't bend or break during use, they attach easily to your drill bit and are perfect tools for paint jobs and resin craft projects. The epoxy mixer has a spiral blade design that allows you to mix liquids quickly and easily, and it eliminates the pain of manual mixing compared to traditional mixing methods, making mixing easier and faster! There is no need to worry about mixing any viscous liquid, it will mix very evenly. Do you still worry about the formation of bubbles during the mixing of resin? In order to improve this problem, we have designed this product, this spiral design allows you to minimize the formation of bubbles during the mixing process to achieve a good mixing effect. Our paint mixer drill bit not only mix resins, but also paints, ceramic glazes, stains and other thick thin liquids that can help you save time and effort. Colour:Red Material:Plastic Size:6.5 x 1.3 inches/16.5 x 3.5 cm Package Contents: 1set * Paint Mixer Drill Attachment Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.