Guide

What Can You Use Instead of a Jack Stand?

Only equipment built and rated to hold a vehicle is a real substitute for jack stands. That means drive-on ramps, purpose-made cribbing or wheel cribs, or a lift with mechanical locks. A jack, a stack of wood, concrete blocks or old tires are not safe stand-ins, and no job under a car is worth the risk.

Updated 2026-11-11 · Based on published specifications and maker information

Top picks from our best jack stands comparison

The short version

Jack stands exist for one reason: a jack is a lifting tool, not a holding tool. Hydraulic seals can leak, and a jack can shift or tip. A stand carries the load on solid steel with a mechanical lock.

So the question is really which other devices do the same job. Some do it well, some only in certain situations, and some are dangerous. This guide sorts them into those three groups so you can pick based on the work you are doing.

Why a jack alone is not enough

A floor jack or scissor jack is designed to raise a load for a short time. Its small contact area and hydraulic or screw mechanism are not meant to support a car while you slide underneath.

If the jack slips, the car can drop in a second. That is why the standard advice is never to rely on the jack once the car is up, and why we cover stands in detail on our best jack stands page.

Jacks still matter. You need one to get the car up in the first place, unless you drive onto ramps or a lift. Think of the jack as the first step and the support as the second.

Alternatives that can work

Each of these is a legitimate way to hold a vehicle when used within its rating and on the right surface. Check the capacity marking on the product itself and compare it to your vehicle's weight.

  • Drive-on ramps: You drive the front or rear wheels up and the car rests on a solid incline. Good for oil changes and quick inspections. You cannot take wheels off, and you need to chock the wheels that stay on the ground.
  • Wheel cribs or step-style supports: These are stable, wide blocks or stacked steps that sit under the tire or a frame point. They have a broad footprint, which makes them steady. Use only products with a stated load rating.
  • Purpose-cut hardwood cribbing: Shops and rescue crews use cross-stacked hardwood blocks. This is not the same as scrap lumber. Wood can split, so inspect every piece and keep the stack low and square.
  • Portable low-rise lifts: Products in the QuickJack style raise the whole car on a frame with mechanical locks. They are a bigger setup than stands, need a level hard floor, and have vehicle weight and lift point limits set by the maker.
  • Two-post or four-post lifts: These are the full shop answer. They need proper installation, floor strength and space, so they suit a dedicated garage more than a driveway.

What not to use

Some substitutes look sturdy but fail without warning. Never place any part of your body under a car held up by these:

  • Concrete blocks, bricks or cinder blocks: They can crack or shatter under a point load.
  • Stacked tires: They compress and roll, and they are not rated for support.
  • Loose scrap wood or a pile of mismatched boards: Wood can split or shift, and stacks tip easily.
  • A floor jack, scissor jack or bumper jack by itself: These are lifting tools only.
  • Buckets, crates, milk crates or furniture: None are designed for concentrated vehicle loads.

How the options compare

Use this table to match the support to the job. Stands win for flexibility, while ramps and lifts win for convenience on specific tasks.

OptionBest forWatch out for
Jack standsWheel off work, brakes, suspensionMust be used in pairs on level hard ground
Drive-on rampsOil changes, underbody checksWheels stay on, so no wheel or brake work
Wheel cribsAdded support, tire and wheel workNeeds a clear load rating and a flat base
Hardwood cribbingBackup support under a frame pointWood can split, so inspect and stack it squarely
Portable low-rise liftWhole-car access in a home garageCheck weight limit, lift points and floor surface
Shop liftFrequent heavy workNeeds installation and enough floor strength

If you stay with jack stands

For most home mechanics, stands remain the simplest and most versatile choice. When you shop, compare capacity per stand, height range, locking design and base width. Our jack stand comparison lists these specs side by side.

Here are a few examples from the data. The BIG RED T46202 is rated at 12,000 lb per stand with a height range of 15-3/8 in to 23-13/16 in and a self-locking ratchet. The Pro-LifT PL3300 is rated at 6,000 lb per stand with a lower range of 11.25 in to 16.75 in and a ratchet plus safety pin. Lower ranges suit cars, and taller ranges suit SUVs.

Double-lock designs add a metal pin through the post as a second safeguard. A wide pyramid base adds stability on a garage floor.

A safe setup, step by step

Whichever support you use, the routine is the same. Follow it every time.

Safety notes: Work on level, hard ground, never on soft dirt, asphalt on a hot day or a slope. Wear eye protection when you are under a car, since rust and debris fall. Never work under a car supported only by a jack.

  • Park on level, solid ground and set the parking brake or put the car in gear or Park.
  • Chock the wheels that will stay on the ground.
  • Find the lift points in your owner's manual and raise the car with a jack.
  • Place the stands or other supports under solid frame or specified points, and set the locks fully.
  • Lower the car slowly until its weight rests on the supports, and keep the jack in place lightly as a backup.
  • Give the car a firm shove from the side before you go under. If it moves, lower it and start again.
  • When finished, raise the car slightly, remove the supports, then lower it fully.

Frequently asked questions

Are wood blocks safe instead of jack stands?

Not as a general rule. Purpose-cut hardwood cribbing in a square, cross-stacked pattern is used by professionals, but scrap wood can split or shift. Stands with a mechanical lock are the safer choice for home use.

Can I use ramps for every repair?

No. Ramps work well when the wheels can stay on, such as for oil changes. For brake, wheel or suspension work, you need the wheels off the ground and a support designed for that.

Is a portable lift safer than stands?

It can be, when you use it as the maker specifies, with its mechanical locks engaged on a level hard floor. Check the lift's rated capacity and the lift points for your vehicle before buying.

Do I need to use jack stands in pairs?

Yes. Use them in pairs under matching points on the same end, and keep the other wheels chocked. That keeps the car balanced and stable.

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