Auto Writer paint markers works on any surface.  Clean up with alcohol or glass cleaner.  Caution: do not use on dirty surface. Pack includes 12 markers.  To mix and match...

1/2" Blaircutter

1/2" Rotabroach Cutter

1/4" Arbor for Blaircutters

1/4" Blaircutter

1/4" Rope Ratchet - Maximum Load Limit: 150 LBS. Includes 8' Solid Braided Polypropylene Rope.

1/4" Rotabroach Cutter

Arbor for Rotabroach Cutters

1/8" Rope Ratchet - Rope Ratchet Tie Down With 6 ft. Rope & Hook, Working Load Limit 75 LB.