Are these standouts approved by OSHA?

These brackets meet all ANSI and OSHA requirements for ladders and accessories up to Type 1A, 300 pound duty rating.

I have a Werner D5900-2 20ft Type 2-225 load extension ladder. The inside measurement of the D style rung is 0.975. Will the LeveLok work on this ladder?

Hey there! So these LeveLok brackets only work with rungs that have an innerdiameter of at least 1 inch. If the inner diameter is less, these brackets will not work properly.

Will this work on a DeWalt extension ladder

The LeveLok Open Rung Standout Brackets do not work on every ladder, but we would advise to measure the opening of your current ladder rungs to ensure the best fit. These will need a clearance of 1" around. These brackets can be used with D-Rungs, O-Rungs, and Rectangular rungs so long as the inside clearance is at least 1 inch.

Will these fit a type 3 werner aluminum extension ladder?

Yes, it will.

What is the diameter of the tubing used on your Levelok? Will this fit on my Werner type 2 aluminum extension ladder?

Yes, it will fit.

Will be open rung standout brace work with a 24-foot Werner ladder the wrong hole openings are 11/4"flat x 1"radius this dimension accounts for the flat step on a Werner ladder step

Yes, they will work.

Will this product work with 6' sectional ladders?

Thanks for posting this question. Yes, these work great with sectional ladders as well as extension ladders.

Is this item a pack of 2 brackets?

Yes, you get 1 set of 2 brackets.

What is the diameter of the tubing used on your Levelok? Will this fit on my Werner type 2 aluminum extension ladder?

Yes, it will fit

Will these work with this little giant: https://www.costco.com/little-giant-megalite-17-ladder.product.100487758.html?

It's not recommended. These are made for your standard extension ladders.

will this product work with 6' sectional ladders?

Thanks for posting this question. Yes, these work great with sectional ladders aw well as extension ladders.