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WHITCO CYL4 Lockable Window Chain Winder


The Whitco CLY4 Lockable Chainwinder is suitable for use on timber or aluminium awning windows that have been fitted with either butt hinges, hook hinges or non-friction stays. This smooth operating stainless steel chainwinder features a maximum opening of 300mm which can be achieved in 19 handle turns. The unit can be locked via use of a push button an unlocked by key. This unit is supplied complete with one-way fixing screws.


  • To suit awning windows
  • Suitable for use on aluminium or timber applications
  • Max opening: 300mm (19 handle turns to fully open)
  • Push button to lock / Key to unlock
  • Smooth operation
  • Stainless Steel chain and base plate

Out of stock

SKU: L26576 Categories: , ,


  • Depth: 45mm
  • Height: 77mm
  • Width: 280mm
  • Weight: 850g
  • Finish: White
  • Keyed: Keyed To Differ
  • Keys Supplied: 2
  • Manufacturer Reference: W380116