Faithfull Combination Oilstone Aluminium Oxide 100 x 25 x 12.5mm

Designed specially for use by carpenters and joiners. Combination oilstones are made from aluminium oxide.
One side coarse, one side fine, this is for use with oil when sharpening chisels and plane irons.

Size: 100 x 25 x 12.5mm (4 x 1 x 1/2in)