Like other reviewers, I agree these are heavy, seem well made, very simple to attach, etc. But, I wanted to make a note to others who may be looking at these and reading reviews (this is an actual review). I put these on my dock boards because the crab deck needed a bit more lighting for walking at night. The downside is my dock is low to the water, so when the tide comes in during a storm (we live on the gulf), it comes over the deck boards. We had about 3 inches over the lights about 3 weeks aSee full review