General description The CSPARKV Adjustable Engineers Combination Square Set Kit is an essential tool for woodworking and carpentry. This versatile ruler combines functionality and durability, making it perfect for various measuring needs. Technical specifications Material: High quality stainless steel and zinc alloy Ruler thickness: 2mm Measurement: 300mm (metric) and 12" (imperial) Design Self-adjusting knurled nut for easy alignment of measurements Spring-loaded brass bolts for enhanced accuracy Brass punch stored in the handle for quick marking Usage Built-in level for accurate readings Laser-engraved numbers for improved readability and wear resistance