Ferrule: 14 x 23 mm Security Stud: 16 x 25 mm
Features: Sash window security stop set Window can be locked closed, or in open position for ventilation. Set
Includes:: two security studs & four ferrules Keys to be ordered separately code 75173
- see related products INSTRUCTIONS FOR USE Step 1 Drill 4 holes using a 10mm drill Two either side of window internally 100mm & 150mm above centre rail Step 2 Using a screwdriver fit screws into holes so that the heads of the screws are flush with window frame. Step 3 Replace stud into screw using key 75173 If ventilation is required use top screw so that window can be opened slightly whilst still being locked