... Hammer for GraniteBush Hammer:1. Drilling Diameter: 5", 6", 8", 10", 12", 14", 16", 18" and Frankfurt 125MM, 150MM, 200MM, 250MM, 300MM ... "300MM64514"350MM94516"400MM94518"450MM1245Packing1 PCS/BOXSupply Ability1000 PCS/DayDelivery Time3~10 days, depended on the order quantityOEMAvailableContact WayFor more details, pls ...