PMI Climbing Technology Easy Move Lever Hoists and it is an anti-inversion

and it is an anti-inversion cam system

you will need a control cord of the appropriate length

Capacity: 420 lbs

for standard S-beams

And if you change your mind and want to store some hoists in your case

PMI Climbing Technology Easy Move Lever Hoists and it is an anti-inversionClimbing Technologys Easy Move is a lightweight rope access backup device that grips well on dirty or icy ropes, making it ideal in the most demanding environments. This product is certified to EN as a guided type fall arrester for flexible lifelines as well as for rope access systems. Features Lightweight Easy to place on and off rope Grips well on dirty or icy ropes Locking mechanism for stationary working CE EN 353 2, EN 358, EN 12841 A Specs