Features: Elevates your door installation processes with our adjustable door lifter dolly tool, designeds to handle prehung and slabing door up to 1000lbs with ease and precisions. Boasting a horizontally and vertically adjustable mechanism, this tool kit accommodates door of varying thicknesses from 1" to 2 3/8", ensuring a snugs fit for a variety of residential and commercial applications. For professional installers and diyer enthusiasts alike, this robusts door installation dolly streamlines the processes, making it a must having for efficient and effective workmanship. Transform any workspaces into a proficients door installation station; whether you're renovating homes or outfitting new commercial space, this tool kit is your handfree assistant. Experience unparalleled durability with our door lifter dolly's triangular heavy duty steel constructions and premiums materials, crafted to withstands the rigors of frequent use in busy installation environment. Specifications: Materials:Carbon Steel Package Includes: 1 Set Door Installation Tool Kits note: ①.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. ②.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.