Universal Compatibility - Fits for -10/-10S/-10 V2/V3, for 3/3 Pro/3 V2, for 5/5 Plus, and more! Works with for -6 SE, -X, SV01/SV02, and other popular 3D printers. High-Quality Aluminum Profile - Made with (X-) & (Y-) Aluminum Alloy profiles for enhanced rigidity and durability. Precise Belt Tensioning - Ensures optimal synchronous belt tension, reducing layer shifts, wobbling, and print defects for smoother prints Improved Y- Stability V- strengthens the Y-, minimizing belt stretch and improving accury Easy Installation - Direct bolt-on upgrade with no complex modifications needed. Fits most for timing belts. Enhanced Print Quality - Reduces belt slippage & backlash, ensuring details and consistent prints. Construction - CNC-machined aluminum & high-grade hardware for long-lasting performance. Color: Black Material: Aluminum Alloy Package Contents: 1 x 2020 X- timing belt adjuster 1 x 2040 Y- timing belt adjuster 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.