Snap-on RXM605 5-piece Metric Double End Flare Nut Line Wrench Set. No engraving or owner marks. Please see photos for best sense of condition. RXM1921S 19mm x 21mm. RXM1517S 15mm x 17mm. 314S 13mm x 14mm. RXM1012S 10mm x 12mm. RXM911S 9mm x 11mm. Note: these sets did not include a 16mm x 18mm.