Lisle Tools Replacement Stone Set for 23500 Cylinder Hone / Glaze Breaker #23540 All posted US shipping rates ( including Free shipping when available) applies to the Continental 48 states ONLY!For shipping to Hawaii, Alaska and other islands please email for shipping quote. Thanks, Nate’s Tools and More Warning: This product can expose you to or may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.