1″ thick round spacer with 1-1/8″ OD and 1/4″ ID.
3/8″ Thick Drawer Slide Spacer With 1/4″ Holes 32mm Apart
1-1/2″ Thick Drawer Slide Spacer With 1/4″ hole and 5mm peg spaced 32mm apart.
5/8″ Thick Drawer Slide Spacer With 1/4″ Holes 32mm Apart
1-1/2″ thick undermount drawer slide spacer.