Kraus Pro-Line Perch Half Clamps The Pro-Line Half Clamps are designed and machined to Kraus's high standards. They provide a replacement for Harley stock half clamps when installing aftermarket bars. Features: CNC Billet Aluminum construction Available in black anodized or raw machined finish Made in the USA Kraus Motor Company's sleek, inventive custom bikes have always attracted attention. These designs are equally at home winning World Championship bike races or smashing land speed records. Kraus Motor Company has changed its concentration to the development and manufacture of cutting-edge performance suspension, braking, and ergonomic systems for Harley and Indian motorcycles. Every item they manufacture is clearly designed with utility and performance in mind.