3/16" Center Hole
This CRL Sliding Screen Door Roller has a one inch (25.4 millimeter)
nylon ball bearing wheel which is 9/32 inch (7.1 millimeter) wide and has a 3/16
inch (4.7 millimeter) diameter center hole.
Minimum Order: 1 Package
Additional Product Information:
Two rollers with axle rivets per package.