Wood Door Automatic Flush Bolt FB40
H.B. Ives FB40 Series are sold has Top, Bottom or in Pairs (top and bottom). Fully automatic, inactive door is latched when active door closes, bolts retract when active door is opened. Top Bolt has no spring tension. They are non handed, but the top and bottom bolts are different. The body size is 1" wide, 8-1/2" tall and 2" deep, the bolts have a 3/4" throw with a 7/8" vertical adjustment.
Ives Part #'s
FB31P - Pairs
FB31T - Top
FB31B - Bottom