Residential Single Cylinder Deadbolt
Single cylinder( Single Open), Double Cylinder( Double Opens)
Material: Solid brass or stainless steel construction.
Latch: Full(1") 25mm throw with anti-saw hardened steel insert.
Backset: Adjustable backset 60mm(2-3/ 8") and 70mm(2-3/ 4") as standard.
Door Thick: Fit doors 35mm(1-3/ 8") to 45mm(1-3/4") thickness, easy to install.
Latch plate: Single Square corner latch plate
Finish: SS, PB, AC, AB, CP, SC or required
Keyway: Kwikset, Yale, Schlage, C4, Weiser or required
Pack: Box Pack or View Pack

Function:
*Single Cylinder Deadbolt with inside thumb-turn. Deadbolt projected or retracted by use or key outside or inside thumb-turn.
*Double Cylinder Deadbolt, deadbolt projected or retracted by key on either side.
*Keyless deadbolt operated by thumb-turn inside only. This additional security mechanism can not be seen from outside, therefore when used with a door viewer, is far superior than the normal chain door guard.