IAS stocks leather measuring gauges that are used by tanners and finished goods manufactures. Our accurate and rugged Harriss thickness gauges are manufactured to our specifications, and will provide years of service. These gauges are made from cast aluminum construction with an industrial strength design that makes these gauges extremely durable and corrosion resistant at home, in a design shop, manufacturing plant, or tannery. Harriss thickness gauges are available in four sizes to suit your needs. Replacement parts and services are available to ensure that your Harriss gauge stays in perfect working order for many years.