The Brown & Sharpe Precision Riser Block 9" Model 5831 is a high-quality gage block designed for precise measurement and inspection in metalworking applications. This product, from the reputable brand Brown & Sharpe, features a 9-inch size ideal for various industrial uses. Its sturdy construction and accuracy make it a reliable tool for ensuring quality control in CNC machining, metalworking, and manufacturing processes. Selling by one / each, have three available. All are in used / very good condition.