. Description: This set contains 10pcs of re-sharpened carbide drill bits. Tool Specifications: - OAL: Just under 1.50" - Shank: 3.175mm diameter - Ring Set: .800" Contents - 1pc each: #79, #78, #77, #76, #75, #74, #73, #72, #71 & #70 . 100-10W79-70$9.54 Call: 847-419-1267              Fax: 847-419-1241              Email: Drills2001@aol.com