ALUMINUM ALLOY BASEFeaturing a lightweight yet sturdy aluminum alloy base of 10 cm / 3.94" that houses an integrated bubble level vial. This provides instant alignment checks for cabinet installers working on uneven walls. PRECISION WOODWORKINGEssential for passionate woodworkers and DIY homeowners crafting custom shelves in garage workshops. This adjustable tool easily ensures perfect angles for every cut, making home remodeling hassle-free and professional. VERSATILE ANGLE FINDEREasily lock your desired angles for precise marking and layout work. The smooth sliding mechanism allows seamless transitions between 90-degree and 45-degree measurements, streamlining your daily assembly tasks. STAINLESS STEEL Engineered with a robust 410 stainless steel ruler measuring 30 cm / 11.8" in length. The engraved markings resist wear, providing reliable measurements for long-term drafting in home studios. IMPROVED ACCURACYPerfect for weekend hobbyists installing kitchen cabinets or framing artwork. The dual- metric scales ensure precise alignment to the millimeter, minimizing costly measuring mistakes on your projects. Package list: 1x Combination Square Ruler