For those leg-lift/strength limitations, this Portable Single-Step Block can assist with access to tractor or truck cabs, cargo beds, trailers, etc. Weighing about 10 pounds and reportedly supporting 1,000+ pounds, it can also prove useful in the farm shop and garage. Made of solid, high-density foam that's covered with an anti-slip coating, its dimensions are 36"L x 12"W x 8"H and it comes with a strap to help carry, reposition, or (with a rope attached) pull up into the vehicle once aboard. (Also available is a portable two-step block.)