This Lightweight Hook Ladder Allows You to Safely Inspect Your Roof
ROLLING ROOF HOOK - Lynn Ladder
2 Pack Heavy Duty Ladder Roof Hook with Wheel Rubber Grip T-Bar for Damage Prevention, Fast and Easy Setup to Access Steep Roofs - Amazon.com
FMhotu 2 Pack Ladder Hooks for Roof, Heavy Duty Ladder Roof Hook with Wheels, Roof Ladder Hooks for 11'' to 13.5'' Step Spacing on Wooden/Fiberglass/Aluminum Ladders - Amazon.com