The single-acting hollow piston cylinder offers capacities of 11 to 102 t. The cylinder has a spring-assisted return feature. Its stroke is from 25 mm to 150 mm. It has an oil capacity which is equivalent to 39 cm³ for HHS101 and 2147 cm³ for the largest type. Double-action and heavy duty cylinders that can carry up to 2,000 t are available on request.