. 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: #20, #19, #18, #17, #16, #15, #14, #13, #12 & #11 . 115-10W20-11$24.95 Call: 847-419-1267              Fax: 847-419-1241              Email: Drills2001@aol.com