Precision: This 2piece solid angle plate set includes 306090 and 454590 angles, with each angle accurate within / 20 seconds to ensure precise measurements for machining tasks. Durable and Stable: Built to withstand heavy use in a machinist's workshop, providing reliable support and stability for workpieces. Versatile Tool: A multipurpose tool for setting up precise angles for cutting or drilling operations and for checking the accuracy of existing angles. Essential for metalworking and woodworking projects. UserFriendly and Easy to Use: Sleek design with clearly marked angles and a smooth surface, making it easy to align and secure workpieces. Key specifications Set: 2piece solid angle plates Included angles: 306090 and 454590 Tolerance: / 20 seconds Applications: metalworking and woodworking Use scenarios Set up milling or drilling operations with precise miters or angled cuts. Verify the angle accuracy of cut parts or fixtures. Arrange and fixture multiple components for repeatable setups in a workshop.