[Purchase Notice]:This product does not include installation screws and tools. You can choose the appropriate screws and tools according to the actual installation scenario (such as floor material, load-bearing requirements) to the best installation effect. [Universal Compatibility]: Compatible with most standard jacks (including side handle models). accommodateup to 4inch diameter wheel [Anti Rolling Design]: The front wheel fixing groove and stable bracket and more stable transportation. [Flexible Installation]: Supports custom installation locations and adapts to different trailer layouts (requires self provided installation screws and tools). [ and Long-Lasting]: Made of high-quality material, it is to impact and vibration, and not deform after long-term use, making it easy to cope with bumps during transportation. Color: Black Material: Metal Package Contents: 1 pair * Floor Jack Stand Rack Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.