The CRL Center-Hung "Walking Beam" Top Pivot is intended for use with Floor Closers and center-hung free-swing floor pivots. The door arm provides lateral adjustment to assure that the door is plumb. These Pivots are fully mortised and non-handed. Pivot pin is 19/32" (15 mm) diameter and accommodates top door clearance up to 1/2"(13 mm). Supplied with finished cover plate.