Hi-lift jacks use a fairly simple ratchet mechanism to move the support up a post, rather than pivoting a mechanism off the floor. As a result, they can be as long as you want, although in ...

Floor jacks and scissor jacks are designed to lift ... The multi-position, forged iron ratchet has a sawtooth design so you can quickly and easily adjust the height prior to locking it in place.

It was determined that the jack's ratchet teeth would not consistently ... the brand still sells several floor jacks and a variety of automotive parts and tools. For example, you can still find ...