Check the listing for details. Bosch Model #1506 - 14 Gauge Unishear Shear Blade Installed. Condition: Used, Made in Germany. Listed at 129.95 USD. The Bosch Model #1506 is a 14 Gauge Unishear Shear Blade installed with manual control and electric power source. Made in Germany, this sheet metal shear is designed for precision cutting with its corded operation. The high-quality construction and cutting capability make it a reliable tool for various metalworking applications in businesses and industries.