[Aluminum Alloy Material]Adjustable T Square Measuring Tool is made of aluminum alloy,lightweight and sturdy [Size Information]Drilling Positioning Ruler Layout Tool length measures about 65cm/25.5inch [Feature]Multi Angle Measuring Ruler with adjustable positioning blocks,with auxiliary dual bubble levels,durable and clear scale [Multi Angle Measuring Ruler]T Square Ruler with an adjustable tensioning knob locks securely to allow angled measurements,angle markings 30°,45°,60°,75 when measuring [Wide Applications]Multifunctional drilling positioning ruler can be used for drilling,nailing,or marking,installing door handles and crafting shelves or cabinets, Weight: 1.36466140178 Pounds, Manufacturer: Zanthicia