With high temperature resistance and strong pressure treatment, those 3D printer springs can be as a good selection of tension and compression springs, makes the far more stable and easier adjust. This means your bed will stay level for longer, resulting in fewer . Features - Color: Assorted color. - Material: Steel. - Size: 2.50 x 1.00 x 1.00cm/ 0.98 x 0.39 x 0.39 inch. - This compression springs are made from material ,so there are more . - Lightweight, easy to carry and use longer lifespan and can be re-use for many times. - The spiral springs compatible with most 3D printer bed, great for heatbed springs bottom connect leveling. - This die spring are more stiffer than ordinary springs, which help your 3D printer much more stable while printing, keep prints bed level better. - Because the spiral springs are well suitable for high stress applications, they are also suitable for a variety of other applications as well. Package list: 20 x springs