• 3.2mm square drive, with a nominal outside shaft diameter of 6mm
  • 5mm hex socket with a nominal outside shaft diameter of 7.5mm
  • 5.5mm hex socket with a nominal outside shaft diameter of 8mm
  • Slips perfectly into the tight surroundings of most rims
  • Works with wheels made by numerous manufacturers including, but not limited to:
    • FSA
    • Blackwell
    • Planet-X
    • HED
    • Rolf
    • Bontrager
    • Campagnolo
    • Mavic