Self-lubricating low Nickel Bronze for drive bush to protect body from wear. Fine Ratchet & Pawl for better engagement. Auto engagement of rod in first stroke Slider prevents wear of piston and drive plate. Leak proof quick connecting coupler. 360° x 180° swivel for better degree of movement. Round shaped simple cylinder design Hard chrome plating of piston rod for wear resistance High quality German seals for high pressure design Torsion free reaction pad. Balanced load on side plate due to alignment pin Cold worked cylinder bore for longer life and super-finish for long working ...