Little Giant Step Ladders 1A and 1AA Comparison - What's the Difference? 

I've been meaning to get a good 3-step stepladder for home DIY jobs and was admiring the Little Giant ladders. There were several models and I wasn't sure which one would be the best. So I got both and made a comparison.
Checkout these models with my Amazon paid affiliate links below (Thank you if you decide to buy!)
amzn.to/3RRHM4x Little Giant Ladder Systems, Jumbo Step, 3-Step, 2 Foot, Step Stool, Aluminum, Type 1AA, 375 lbs Weight Rating
amzn.to/3VG8TRc Little Giant Ladders, Safety Step, 3-Step, 3 Foot, Step Stool, Aluminum, Type 1A, 300 lbs Weight Rating