Holds any size light for precise, vertical positioning - including mini lights, C7, C9, and rope lights. Ideal for icicle and swag lights too. The all-purpose light holder works on all roofs, including shakes, slate and tile; on all gutters, K or U styles, aluminum, copper, or vinyl. It also works safely on vinyl siding and can be used to string lights on deck railings and fences. Box of 100.