Aluminum Alloy material make it much more durable and accurate Measures both inches & centimeters.Great layout tool for creating complex shapes and angles Just place the angleizer template tool onto your work area, slide the rulers into the shape needed, and tighten the screws. Good for builders, craftsmen, weekend warriors and DIY-ers alike,an essential tool for any toolbox, the Angleizer will eliminate tedious, repetitive measures and materials made from inaccurate cuts, save time and money Template tool can be set to mark bricks, tiles, lumber, laminates, and others