No part of the door enters the opening when the door is in the closed position
holds window in place at a set opening by tightening knurled knob
These shutter hinges are used for surface mounted installations
Finished both sides and fully reversible
Truth Entrygard Dual Arm Casement Operator C10143 No part of the doorFor this style of operator make sure to verify the Short Arm Measurement. View the addition image for handing and short arm length clarification. This can also be found under downloads. Component numbers that may be stamped on the 2 13 16" short arm operators: 20748, 40372, 40471, 40254, 40753, 30470, 30472, 40754, L30841, 31538A, 31538, 30637, 30842 Component numbers that may be stamped on the 3 13 16" short arm operators: 40754, 20755, 31538