Four holes for installation on the seat and backrest
Includes black plastic cover to cover installation holes
Distance between back mounting holes 3.14 inches (80 mm)
Seat mounting hole spacing 6.04 inches (154 mm)
When you are sitting on a chair, install it on the left side of the chair

Colour:Black
Material:Plastic
Size:About 41.91x30.48x8.89cm

Package Contents:
1 * Chair armrests