Whetstones

White Arkansas whetstone in order to remove perturbations from steel gauge blocks (for preparatory work for DAkkS DKD calibrations)
External dimensions: approx. 76 x 25 x 8 mm in a plastic housing.

Grey Arkansas whetstone to remove perturbations from steel gauge blocks (for preparatory work for inhouse calibrations)
External dimensions: approx. 100 x 40 x 18 mm or external dimensions: approx. 60 x 25 x 18 mm