Obviously, this diamond painting roller has a very soft texture that will not harm the surface of the diamond painting. It is worth mentioning that it has a detachable engineering design handle with a comfortable grip and very non-slip.What this diamond painting roller can offer you is that it can make diamonds stick firmer and flatter to the canvas, preventing the diamonds from falling off.It is constructed of plastic material.The drill roller is 4.2cm in length, and 3cm in width.It can be used for diamond painting.Item Name: Drill RollerMaterial: PlasticFeatures: Comfortable to Grip, DIY, Convenient, Easy to UseSize Details:Drill Roller Size: 4.2cm x 3cm/ 1.65" x 1.18" (Approx.)Notes:Due to the light and screen setting difference, the item"s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Drill Roller1 x Double Sided Tape Our products are made with the splendid quality materials and are designed to provide you with the best possible user experience.