• Honed tubing
• Heavy duty, high strength tie-rods
• Induction hardened piston rods plated with RoyalPlate Plus
• Piston rods on 2” bore are not hardened
• Ductile iron piston, butt, gland, and clevis
• Urethane u-cup and metal encased wiper on 2 1/2” bore and larger models
• Crown seal on piston
• Standard color is gloss black