Feature: 1. The buffer pads kit replaces the compression spring that connects the heated bed to the X-axis bracket.2. Made of high quality silicone material, high temperature resistant, antiwear, long durability. 3. Practical accessory fit for 3D Printer Ender-2 / Ender 3 / Ender 3 pro / CR-10 / 10s PRO. 4. By installing the silicone buffer pads, the permanent leveling is over. 5. Simple installation, no need complicated tools, convenient for using. Specification: Condition: 100% Brand New Item Type: Buffer Leveling Columns Material: Silicone Color: As picture shown Height: Approx. 25mm/1in (3pcs); 23mm/0.9in (1 piece) Package List: 4 x Buffer Leveling Columns |