SASHSTOP Lockable Sash Jammer Additional Security for uPVC Doors (Brass)

• Suitable for use on UPVC, composite & wooden doors
• Patented mechanism allows independent internal and external operation
• Provides additional security for doors and windows
• External key lock allows for overriding of internal arm

The SASHSTOP Original is a versatile product which can be used on UPVC, composite and wooden doors. The patented mechanism allows internal and external operation independently from one another, with the external key lock overriding the internal arm, prov