This is a set of two white Heian Shindo Kogyo furniture anti-tip support poles, model REQ-27, with a height range of 27-35cm. I am selling these because I no longer need them due to a move. Thank you. Dimensions of the base: 7.2cm x 21.2cm Installation height range: 27cm - 35cm ___ This is a disaster prevention product designed to reduce the risk of furniture tipping over in the event of an earthquake by installing it between the top of the furniture and the ceiling. No screws or nails are required, making installation easy! Secure your furniture and be fully prepared for disasters.