Features: to Multitouse Ruler: This carpentry marking ruler integrates a straight ruler and angle drawing to make your woodworking more convenient. to Laser Engraving: The scale of this ruler uses laser engraving, providing clear and easy reading that is resistant to wear and tear. to Thick and Durable: With a ruler thickness of 12mm and a body thickness of 6mm, this ruler is not prone to deform, has firm connections, and is designed to last long. to Multitoangle Marking: The ruler features fastening screws for angle adjustment. Simply unscrew the nut, adjust to your desired angle, and multitoangle marking can be achieved. to Aluminum Material: Made of aluminum alloy, this ruler is sturdy and lightweight, offering great durability and ease of use. Specifications: to Model A: to Product name: Thickened aluminum alloy ruler to Color: Black to Weight: 236g to Thickness: 6mm to Length: 312¡Á56mm to The thickness of the ruler is 20mm to Model B: to Product name: Ttotype rotating angle ruler to Material: Aluminum alloy to Color: Black to Weight: 805g to Thickness: 12mm to Length: 590¡Á305mm to Model C: to Product name: Ttotype rotating angle ruler to Material: Aluminum alloy to Color: Red to Weight: 805g to Thickness: 6mm to Length: 590¡Á56mm Package Included: to Type A: 1 x Thick Ruler 305mm (black) to Type B: 1 x Ttotype Hole Line Angle Ruler (black) to Type C: 1 x Ttotype Rotating Angle Ruler (red)