• Designed for stock hollow metal doors and frames with standard weight 4-1/2" hinge preparation
• Includes three special steel 4-1/2" ball bearing standard weight hinges with 3/4" offset. Doors over 90" in height warrant an additional hinge
• Surface mounted bottom arm with thru-bolts
• Built-in positive dead stop prevents door from swinging beyond the desired opening degree (85°, 90°, 95°)
• Maximum door swing 95°
• Available non-hold open (N) or selective hold open (S) at same degree as dead stop