Wall-mounted height rod features an easy-to-install design to set up quickly using simple tools and the provided hardware. Lockable headpiece and clear indicator allow you to quickly read the height measurement to prevent reading errors. Adjustable measuring range of over 55"" lets you select a measuring range for children or adults. High-strength rod resists bending and ensures that the headpiece slides smoothly. Doubled-sided measuring tape enables you to choose centimeters only or feet/inches/centimeters.