YINETTECH 4 Set Hand Twist Leveling Nut & Hot Bed Spring M3x47.5mm Screw Adjustment Kit for Most 3D Printer Bed/Platform

3D Printer Leveling Adjustment: The set of accessories is through the compression spring to adjust the hot bed at different points of the force. Used for most 3D printer hot bed / platform. The torque of the hand twisted nut is large, making it easier to fine tune the hot bed, can make the printer much more stable and makes hot bed becomes much steadiness when printing. Material: ABS plastic and steel, sturdy and durable, which has a long service life. Package: 4 x M3 hand twist leveling nut; 4 x hot bed spring; 4 x M3 screws.