• Heavy-duty bottom arm and top pivot with screw holes spaced to straddle lead lining, or for extra heavy or very high traffic doors.
• Available for the following lead-lined door thicknesses: 1-3/4" (44mm), 2" (51mm), 2-1/4" (57mm), 2-1/2" (63mm) or 3" (76mm)
• Additional thrust bearing for greater load capacity
• Built-in positive dead stop prevents door from swinging beyond 180° only
• Available non-hold open (N) or automatic hold open (A) at 180°
• Standard top pivot: L180 included
• Intermediate pivot(s) required: ML19 (order separately)