Perma-Grit Grit file (fine)

Flexible Grit File 280 x 51 mm (11″ X 2″). Thin (average .6 mm .025″).
Grit grade approximately UK 180 Grit. US 60 Grit.

This sheet can be bent to any shape, internal or external. Mount to your own T Bar or sanding block. Mount on your bench, to make a flat bed sanding area. Place sheets side by side for a larger area.
Complex curves can easily be fabricated. Cut using old scissors. Mount using glue or double sided tape.