SSK Z9 PROFESSIONAL EDGE PRO BIRCH WOOD BASEBALL BAT - AV25 MODEL 45 Day Warranty SSK Z9 Professional Edge Wood Bats come with a 45 Day Warranty starting the day of purchase. We offer a 45 Day warranty because we believe in the durability of our bats when used properly. Made in Japan - Shokunin Craftsman Approved SSK Z9 Professional Edge Wood Bats are Made in Japan by our Japanese Bat Shokunin, or “Craftsman”, who is the most sought-after bat craftsman in Japan. Professional Grade Wood SSK Wood Bats are hand-crafted with North American Birch which comes from the hardwood capital of the world. SSK Made in Japan bats are made from the finest hand-selected Birch that is the same wood we use on our pro bats unlike the other guys.