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Double Hung Wood Windows: Concealed Interlocking

#16AB (.016)
#16AZ (.018)
Hinge Side
Head & Lock Side
 

2P (.018)
Hinge Side
Head & Lock Side
 
#M1Z (.024) #M2Z (.018)

#16B (.016)
#16Z (.018)
Hinge Side
Head & Lock Side
#M4-B
#M4-Z
#32-B
#32-Z