Very popular general purpose block that has 101 uses. Comfortable in the hand.
Flat sanding surface, coarse grit one side, fine the other.
Dims approx 140 x 52 x 41mm
When placed on their edge, you are able to sand a perfect right angle.
Use to profile edges, feather edges, block sanding, square off materials or sand a perfect dihedral.
The steel gritted sheets are bonded with industrial double sided tape, to the custom made anodised aluminium extrusion, which is light, clean and easy to use and will never warp.

COARSE grit equivalent approx. UK 180 / US 60
FINE grit equivalent approx. UK 320 / US 120