"T & T Carbide has custom built hole-openers for their customers Worldwide for 26 years. Whether you need new or rebuilt TCI or steel tooth bit cutters, sealed bearing or regular bearing, T & T Carbide will give you a very competitive quote. Each one is specially built for our customers. If you would like some more information, contact us at 1-800-333-1816 or email us at: ttbits@midwest.net." T&T Carbide, Card No. 320