FEATURE: Adjustable Sliders: Customize the square to suit your needs by easily moving or removing sliders for precise positioning Durable Wood Construction: Crafted from strong wood, providing durability and longevity for years of dependable use Clear Laser Mark Measurements: Enjoy clear and accurate measurements marked with precision via laser technology for enhanced visibility Drill Bit Compatibility: With a 4.5mm diameter hole, it is designed to accommodate 3-4mm drill bits, facilitating effortless drilling and nailing operations Versatile Application: Perfect for precise measurements, drilling or nailing holes, and marking lines with efficiency and ease SPECIFICATION: .