Air Impact Socket Features: 1) Deep Type with 78mm length 2) Factory direct ... :2000, CCC 1/2" Sq.Dr. Metric Deep Air Impact Socket, Six point Specifications: Type A: 11mm,12mm,13mm,14mm Type ... B: 15mm,16mm,17mm Type C: 18mm,19mm,20mm,21mm,22mm,23mm, 24mm,25mm,26mm,27mm ...