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【Upgrade】Major upgrade from the original leveling spring - Now you spend much less time leveling your 3D Printer bed. Once you get level, you won't need to re-adjust for quite a while. Effectively avoid layer shifts caused by bed shaking during printing. The trick is that the short mount needs to go ON TOP of the strain relief, not under it.
【Application】Replace original spring leveling for Creality 3D Printer Hot Bed/ Platform. The 1/4 quantity in the package is a short column.
【Function】Larger contact surface than spring, reduce shock, heatbed silicone leveling column better to level your 3D printer.
【Size】Height: 12 pcs 18mm(0.71inch) + 4 pcs 16mm(0.63inch). There is a Bed Cable cage at the left rear of the Creality Ender 3D Printer series, the short column will fit there. And other 3D printer series take 4 high columns.
【Package】16 PCS heatbed silicone leveling column. For 3D printer hot bed / platform bottom connection, can replace the original spring leveling

Specification:
Height: 12 pcs 18mm(0.71inch) + 4 pcs 16mm(0.63inch) silicone leveling column
Material: Silicone (heat-resistant)
Used for: 3D printer leveling parts
Color: brown
Package Included:
12 pcs 18mm(0.71inch) + 4 pcs 16mm(0.63inch) Heat Bed Leveling Silicone Column