Sachs 314 695 Shock Absorber DURABILITY&gt; SACHS Micro-Polished Chrome Piston Rods have been hardened for maximum strength to provide the longest service life. Our chrome finish helps fight rust while the low-friction surface effectively prevents seal leaking COMFORT & PERFORMANCE &gt; Banded Piston: Our engineered polymer piston band immediately responds to suspension movements even at slow speeds. The piston band effectively seals the working cylinder allowing the valves to operate at 100% efficiency.