Features: • 39 models • Internal plunger threads • Snap in grooved saddles • Rod wiper seals out dirt and contamination • Collar fixture threads • Two base mounting holes on most models • High strength steel construction from gun drilled solid bar • High flow 3/8" NPTF couplers • Collar thread protector • One piece high grade alloy bearing for side load protection and long life. • Polyurethane cup seal provides optimum performance. • Industrial hard chrome plated ram helps prevent rust and corrosion. • Solid steel cylinder body. • Heavy duty return spring provides quicker retraction. • Ideal for lifting and pressing. • Maximum working pressure: 10,000 psi / 700 bar.