Yehchi
2 Ladder Roof Hooks, Heavy Steel Ladder Hooks with Wheels, Roof Ridge Extension, Grip T-Bar for Damage Prevention, 500 Lb Weight Support for Easy Access to Steep Roofs
Nakyma
Nakyma Ladder Stabilizer, Ladder Stabilizer for Roof, Wall Ladder Standoff Aviation Grade Aluminium, Adjustable Length 22-29.5" Ladder Stabilizer withstands 300 LBS Weight Rating
Bryner
Ladder Stabilizer, Extension Ladder Stabilizer for Roof Wall Standoff Ladder Accessory Safety Stability Aviation Grade Aluminium, Adjustable Length 22-29.5In Ladder Stabilizer
Foozet
Ladder Stabilizer,Extended Ladder Stabilizer Accessory for Roof Gutter&Wall,Ladder Stand-Off Aluminum Wing Span/Wall Ladder Standoff with Non-Slip Rubber Bottom pad.(Patent Pending)