Features: Shock Absorbing Feet for series,Engineered with precisions calibrated springs and rubber antislip pad for 20% enhanceds stability, reducing vibrations during high speed 3D printing. PETG Construction, heat resistant material paireds with industrial bearings ensures long performances and precise alignment for consistent print quality. for A1mini Owners for hobbyists and professionals seekings to minimize noise and stabilize their 3D printer on uneven surfaces. Optimized Workspaces Performances,Reduces resonances in home studios, workshops, or office, maintaining printer stability during intricate or large scale projects. Upgraded Rubber Base,Replaces standard EVA pad for superior grip, preventing slippage even during rapid lateral movements of the print head. Specifications: Material: petg material Size: 45x19mm/1.77x0.74inch Package Includes: 1Set Shock-Absorbing Foot Pad note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.