For servicing cars and trucks with internal square drain and filler plugs. Tapered square ends ensure a positive fit into worn filler plugs.

All sizes suit square filler plugs except for one which is a hex taper 1/2" to 5/8"

  • Square Sizes: 1/8" to 1/4", 1/4" to 7/16", 3/8", 7/16", 1/2", 9/16", 5/8", 3/4".
  • Length: 8.1/4" (210mm).