Product type: This set includes two board dollies suitable for easily transporting door panels. The carts are equipped with 360 degree swivel wheels for smooth and efficient movementMaterial: These door installation dolly kit helpers are made of steel to withstand heavy loads, ensuring durability and long term useProduct size: Each door installation dolly measures 32.2 cmx11 cmx9 cm/12.68 inchx4.33 inchx3.54 inch, which is compact and easy to store, providing support for door panelsEasy to use: This heavy duty doorboard lifter cart is suitable for doors with a thickness of 1-3/8 inch and 1-3/4 inch, making it easy to move large objects while reducing the risk of door breakage caused by manual liftingWide application: The door installation tool kit is ideal for professional and personal use. These carts can be used on construction sites, warehouses, and at home to easily move French doors, bi fold doors, steel frame doors or barn doors, etc Specification: Material: Steel Size Chart: 32.2 cmx11 cmx9 cm/12.68 inchx4.33 inchx3.54 inch Package Includes: 2x Door Installation Dollies Note: Please allow slightly errors 1-2cm differences due to manual measurement.