90 Degree Right Angle Auxiliary Locator 3 Inch 4 Inch 6 Inch Woodworking Tool $ 4.26 Product information: Type: Square Measurement accuracy: 99% Material: Engineering plastic Size: 3 inches 4 inches 6 inches Specifications: 3-inch 80mm plastic right-angle block, 4-inch 100mm plastic right-angle block, 6-inch 150mm plastic right-angle block, neutral carton set (3 inches, 4 inches, 6 inches, 4 each) Packing list: Plastic square X1