Features: - Multi-use Ruler: This carpentry marking ruler integrates a straight ruler and angle drawing to make your woodworking more convenient. - Laser Engraving: The scale of this ruler uses laser engraving, providing clear and easy reading that is resistant to wear and tear. - 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. - Multi-angle Marking: The ruler features fastening screws for angle adjustment. Simply unscrew the nut, adjust to your desired angle, and multi-angle marking can be achieved. - Aluminum Material: Made of aluminum alloy, this ruler is sturdy and lightweight, offering great durability and ease of use. Specifications: - Model A: - Product name: Thickened aluminum alloy ruler - Color: Black - Weight: 236g - Thickness: 6mm - Length: 312×56mm - The thickness of the ruler is 20mm - Model B: - Product name: T-type rotating angle ruler - Material: Aluminum alloy - Color: Black - Weight: 805g - Thickness: 12mm - Length: 590×305mm - Model C: - Product name: T-type rotating angle ruler - Material: Aluminum alloy - Color: Red - Weight: 805g - Thickness: 6mm - Length: 590×56mm Package Included: - Type A: 1 x Thick Ruler 305mm (black) - Type B: 1 x T-type Hole Line Angle Ruler (black) - Type C: 1 x T-type Rotating Angle Ruler (red)