[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 for easy adjustment of bi-fold closet door hardware. 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, ensuring reliable and safe operation. [Easy Installation]: The included guide pins and guide plates enable quick and easy installation of the bi-fold closet door hardware. Folding door hardware kit fits doors ranging in thickness from 1 in. to 1-3/8 in. Color: As shown in photo. Material: Plastic + metal. Package Contents: 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. Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual item. Measurement may vary by +/- 1-3 cm.