QualCraft 2481 Steel Ladder Jack Hook w/ Roller Roofing Protection (Single)
QualCraft 2481 Steel Ladder Jack Hook w/ Roller Roofing Protection (Single). The Qual-Craft ladder hook comes complete with a convenient wheel to roll the ladder along the roof without damaging shingles. Sporting a tough, steel construction for added durability, the ladder hook adjusts to fit between the top two ladder rungs. The ladder hook fits single or extension ladders in wood, fiberglass, or aluminum in both round and D rung styles. Two hooks must be used per ladder.