[16PCS Bi-Fold Door Hardware Repair Tool Kit]: 4 X bifold door top guide wheel, 4 X bifold door top pivot, 4 X bifold door bottom pivot, 2 X bifold door spring and metal pivot pin.[Easy Adjustment & Secure Mounting]: The top and bottom pivot brackets allow you to easily adjust your bi-fold closet door hardware, while the top and bottom pivot pins provide secure mounting points for the pivot brackets and tension springs.[Tension & Support]: The top and bottom tension springs provide tension and support to the door, helping to reliable and safe operation.[Easy Installation]: The included guide pins and guide plates make installation of the bi-fold closet door hardware quick and easy.Folding door hardware kit fits doors ranging in thickness from 1 in. to 1-3/8 in.Colour:Photo ColorMaterial:plastic+metalPackage Contents:4 X bifold door top guide wheel4 X bifold door top pivot4 X bifold door bottom pivot2 X bifold door spring and metal pivot pinOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.