Forget about stubbed toes forever! free-light solar stair, step or railing markers help you find your way by lighting up the area around you. Avoid night time falls. free-light solar stair, step or railing markers are easy to install. Simply drill a 1.375" hole and install the light. The virtual flush fit guarantees safe passage. Great for railings, around hot tubs, gazebos and arbors too! So many applications, so little time!