The Alrex Hydraulic Hinge provides the same functionality of the traditional overhead closer with the look of a normal door hinge. Patented and Trade Marked. Simple installation & adjustable closing and locking speed, maintenance free and made of stainless steel. Provides both Hold Open at 85+ degrees and Full Close from 175 degrees. Supports door weights up to 150 lbs. Intertek certified to meet ANSI/BHMA grade 1 rating, UL 10C (3 hour) and ADA listed. Carries a 10 year manufacturers warranty and is available in colors.