FEATURES: • UL and C-UL Listed • 5 Year Guarantee • Dual Valve Adjustment • Adjustable Back Check Standard • Back Check Adjustment • Suitable for Glass/Aluminum Doors • Non-Handed - Rev. for both Right & Left Handed Doors • High Strength Pressure Cast Aluminum Housing • Full Rack and Pinion Mechanism • High Lubricity & Low Pour point high quality hydraulic Fluid • Leak Proof “O” - Rings Oil Seal • Universal Mounting (Reg. & Parallel brackets included)