Laskey horn mouthpieces feature a unique rim contour. There is definition to the inside diameter and yet the roundness of the rim shape allows for easy movement, as well as a high degree of control and flexibility. • 0.699 inch (17.75mm) cup diameter • 0.182 inch (#14) 4.62mm throat • Standard depth "G" cup • German (European) shank for Alexander, Hoyer, etc. models • Silver plated California Residents Only: WARNING: Cancer and Reproductive Harm - www.p65warnings.ca.gov