Standard Features:
·Fits doors 1-3/8"(35mm)to 1-3/4"(50mm)thick
·Backset:2-3/8"(60mm)
·Furnished with angle strike
·Double cylinder features cylinders,both inside and outside for extra protection on glass pane door
·Securely bolts door to jamb
·Surface installation requires one 1-1/4" diamater hole
·Double cylinder has twobolts omterlock with strike