30-139-0 Angle Block Set12pc Ultra Precision Angle Block Set An angle block set is typically used in metalworking to accurately measure and set angles for cutting, drilling, or machining materials. It helps ensure precise and consistent angles in various applications such as creating joints, bevels, or chamfers in woodworking, or for aligning workpieces in metal fabrication. This Angle Block Set includes 12 blocks in angles from 0. 25 up to 30, allowing for versatility in