Ultra 44860 Jimmyproof Lock With Shutterguard Ultra 44860 Jimmyproof Lock With Shutterguard Features: Furnished with angle strike Double cylinder features cylinders both inside out outside for extra protection on glass pane door Securely bolts door to jamb Fits doors 1-1/4" to 2-1/4" thick Surface installation required on 1-1/4" diameter hole Brass plated finish Single cylinder Carded