Diamond Tool stocks a wide variety of Diamond Blades, Bits, and Equipment. Diamonds have been a part of our business for 40 years. We know what it takes to get your job done because we have experience in professional core drilling and sawing. Try our own brand of bits and blades for quality and value. If you have questions on what blade or bit will work best for your job, simply pick up the phone and call 888-TRY-DIAMond (888-879-3426).