Siding Tools: The siding installation tools are suitable for use with 5/16 inch fiber cement sidings, help you finish siding projects easily and efficientlyPremium Material: The siding mounting kit is made of carbon steel, wear resistant, sturdy, not easy to break and ensures a long time to useAdjustable Reveals: The lap siding gauge can be adjusted at 1/4" increments to fit 4-8 inch siding revealsEasy to Use: The siding tools are easy and accurate to use, keeping your siding level at the correct spacing as the siding goes upPortable Size: Professional siding installation tools, easy to carry, helping you complete your next siding project more easily and efficientlySpecification:Material: Carbon SteelSize Chart:21 cm x 15 cm x 6 cm/8.27 inch x 5.91 inch x 2.36 inchPackage Includes:1 Pair/2 PiecesSiding Installation ToolsNote:Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.