7 piece kit contains clamping collars to fit drill sizes: 1/8", 3/16", 1/4", 5/16", 3/8", 7/16" and 1/2"
Climax Metal Products Company
8141 Tyler Boulevard
Mentor, Ohio 44060
USA
Toll free: 800-542-6552
Phone: 440-585-0300
Fax: 800-860-5553