➤ For safer and more precise cutting, it is recommended to use clamps sold separately. ➤ This rail can ONLY be used for grinder guide, circular saw guide, router guidesand hand cutter manufactured by MBOLT. ➤ The design of this product and its accessories may be modified to improve the quality of the product. ➤Be sure to check that the bolts and nuts are securely tightened before and after using the product. ➤We are not responsible for any accidents caused by your careless use of the machine.