[2-in-1 Square-Durable Construction] Made with electric wooden board, this squaring tool features double-sided engraving that is wear-resistant. The quick square with a sturdy and level construction ensures longevity and reliability in various working conditions. Innovative square tool for equipped with multiple sliders, which allows easy adjustment of slider positions according to the depth of the side panels of the cabinet, making it easy to accurately drill holes and screw insertion. [Woodworking Measuring Design Tool] 2-in-1 Functionality] Beyond being a simple measuring ruler, the carpenter square also serves as a 2-in-1 connector for drilling holes, which adds convenience and practicality to your design. [Triangle Wooden Positioning Ruler - 2 in 1 Adjustable Square Sliders] The adjustable speed square features adjustable positioning blocks that offer flexible positioning and can be easily removed. Positioning triangle ruler with a hole diameter of 4.5mm; it is recommended to use a 3-4mm drill bit for accurate hole positioning. [INNOVATIVE SQUARING TOOL - SEAMLESS SOLID BASE] Designed with a solid seamless base, this squaring tool ensures a consistent fit with no gap between the base and the ruler. The smooth and delicate surface of the 2-in-1 square ensures comfort and durability to the user, preventing abrasions on the hands during use., Manufacturer: Bumdenuu