Easily adjusts to accommodate sizes: 3AN, 4AN, 6AN, 8AN, 10AN, 12AN, 14AN, and 16AN. Set or Single Item: Set Size: 3AN Drive Type: Hex/Allen Number of Pieces: 2. Includes a 3AN-16AN adjustable AN fitting wrench and a double-ended AN wrench (6AN to 8AN B-Nut).
