Features More accurately: heights of fences, blades and other knives can be adjusted as desired, faster and more accurate than with a combination ruler. Aluminum alloy material: the surface made of high quality aluminum is anodized black, which will not damage the cutter and saw blade. Essential tools for woodworking: this end gauge for woodworking has high hardness, wear resistance and long service life. It is very suitable for woodworking. STACK WHILE YOU LIKE - There are 5 different sizes of height gauges and 2 hole gauges in the set, which you can use as you like to complete your work. EASY TO READ: Easy to read scale labels are engraved on each woodworking block to facilitate clear reading for your convenience. Specification: Element type: furnishing block display. Material: aluminium alloy. Use:Woodworking Tools Package list: 7 x furnishing block gauge. Small note: Manual measurement, please allow 1-2 cm error Package List 7 x Setup Block Gauge