Non-slip Nut: The non-slip nut allows easy tightening of the clevis and removal of the connector. Practical Collet: The collet with non-slip teeth allows for a tight grip. The opening can be adjusted at will to suit round and oval frames of different diameters. Application This universal connector is suitable for most umbrella strollers and a few high view strollers. It is not suitable for use with square tubes. It applies to two identical strollers. Specifications Material: ABS and Iron Color: Black Quantity: 3pcs Adjustable Length of the Short Connector: 9*18.5-24cm/3.5*7.3-9.4in Adjustable Length of the Long Connector: 34-42cm/13.4-16.5in Collet Width of the Short Connector: 3cm/1.2in Packing Size: 39*26*6cm/15.35*10.23*2.36in Gross Weight: 0.98kg/2.16lbs Net Weight: 0.9kg/1.98lbs Package Included 2* Short Stroller Connectors 1* Long Stroller Connector Notes 1.Please note that it is not suitable for use with square tubes. It applies to two identical strollers. 2.Please be sure to secure the collet and lock the clips to prevent accidental dislodgement. 3.Please take care to open the collet opening as fully as possible when fitting to prevent scratching the frame. 4.Please note that the stroller is not included in the package.The package does not include baby stroller