Lock Jaw Roof Ladder Stabilizer Hook for Gutter - Standoff in 5 Seconds with Slide-Lock Security - Prevent Aluminum Ladders Top Movement & Falls - Award-Winning Extension Ladder Accessories for Roof

It's not brilliant but is very good and gives you a lot more confidence so good in my view and worth money

Excellent product! Brilliant on a windy day

Good item if your safety concious

Very good

Fantastic bit of kit

Worked really well gave me confidence to work with both hands rather then one whilst holding on to the ladder

very good

Already tryed out and has past the test.shook the ladder at conservatory height, very sturdy.like wise up at guttering level.any safety is a goodthing and I recommend. 😎👍