Product name: Shower room pulley Product Specifications: Swing Wheel Product material: aluminum frame + large bearing nylon wheel Product color: as shown below Product weight: 30g/pc Precautions for measuring dimensions Due to the long use time, the surface of the pulley will be worn to a certain extent When measuring the diameter of the pulley, be sure to measure to the outermost side of the nylon pulley If the measured diameter is about 26MM, please choose 27MM If the measured diameter is about 24MM, please choose 25MM Be sure to measure the size accurately, so as not to delay your business Baby features Swing double wheels, flexible use The pulley is made of nylon and is equipped with large bearings for smooth use