General description The Sollbry Adjustable Threaded Headboard Stops/Bumpers are designed to stabilize your bed frame and prevent shaking, knocking, and squeaking. This 4-pack bed frame protector is an effective solution for maintaining a stable and quiet sleeping environment without the need for drilling into walls or headboards. Technical specifications Material: Metal with EVA pad Adjustable length: Suitable for bed frames with a width of 33-40mm Installation Easy to install without drilling Attach the metal base with white double-sided tape to the head of the bed Twist the EVA pad side by hand until it is against the wall Adjust the length of the headboard bumper as needed Usage Effectively reduces noise and protects walls from damage Prevents the head of the bed from becoming wobbly Can be used in various locations where stability is needed