This Polished Brass SD Hardware Locking Fitch Fastener will grace most single and double glazed timber windows with its traditional but sleek design and narrow keep. The narrow keep that sits on the top sash is only 13mm deep, this allows the product to work on very narrow midrails. Manufactured from solid brass, this product has been polished and then finished with a scratch resistant lacquer. Available in 3 finishes to suit a range of decor styles and can be perfectly matched with your suite of window furniture.Locking for SecurityNarrow 13mm keepComplete with solid brass screwsPulls & lifts to align the meeting rails (sashes) togetherComes with locking KeySolid BrassFinishes: Polished Brass, Polished Chrome or Satin Chrome