Product name: Shower room pulleyProduct Specifications: Swing WheelProduct material: aluminum frame + large bearing nylon wheelProduct color: as shown belowProduct weight: 30g/pcPrecautions for measuring dimensionsDue to the long use time, the surface of the pulley will be worn to a certain extentWhen measuring the diameter of the pulley, be sure to measure to the outermost side of the nylon pulleyIf the measured diameter is about 26MM, please choose 27MMIf the measured diameter is about 24MM, please choose 25MMBe sure to measure the size accurately, so as not to delay your businessBaby featuresSwing double wheels, flexible useThe pulley is made of nylon and is equipped with large bearings for smooth use