MULTI-FUNCTION: Woodworking center scribe, square center scribe, 45-degree to 90-degree right-angle line gauge. HIGH PRECISION: Accurate angle measurement, easy to use and carry. HIGH-QUALITY MATERIAL: Made of high-quality aluminum alloy, sturdy and durable. EASY OPERATION: It can mark soft metal and wood, and is perfect for finding precise centers. HIGH EFFICIENCY: Easy to handle and offers good work efficiency, helping to increase productivity and save time.