Tilt Stand for ELECOM Trackball Mouse DEFT PRO (M-DPT1MRBK) - 15° + 15° + 10° + 5° (Total 45°) *Stand only. Mouse not included. Adjustable in 5° increments from 15° to 45° Receiver storage pocket included Silicone rubber on the bottom (Silicone rubber can be stacked without removing) If you have a set square, we recommend imagining the feel by placing the 30° and 45° sections under the mouse, parallel to the battery cover line, before purchasing. (In my case, I felt a higher wrist rest was necessary, so I cut a 100-yen shop mousepad with a wrist rest and adjusted the height.) Especially when using around 45°, when moving the cursor largely to the right, the trackball may slightly detach from the support ball when your finger leaves the trackball. Some people may be concerned about this, so we hope you will check using the method above. This is a handmade product made with a 3D printer. The main material is PLA resin, and please be aware that it may deform if the room temperature exceeds 60°C. We have confirmed that it does not affect use, but please understand that layer lines and minor scratches may occur during the manufacturing process.