1. The package contains: you will receive 8 3D printer leveling parts to replace the spring under the heating bed; enough quantity can meet your different needs and daily replacement 2. High-quality materials: 3D printer heating bed leveling parts are made of high-quality silicone, which helps reduce vibration during work; these silicone buffers can replace the springs of your heating bed, and your suit will remain level 3. It is widely used. These 3D printing balance tools are specially designed for most heating beds. The silicone cushion is installed instead of the spring. It will not move, and your fixed level will be maintained. Product name: Silica gel hot bed leveling column Size: 16X15.8mm Product features: high temperature resistance, shock absorption, stability Applicable scenarios: 3D printer leveling Colour:Photo Color Material:Silica gel Package Contents: 8 x Silicone hot bed leveling columns Only the above package content, other products are not included. Note: Light shooting 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.