These Rawlplug KKS-R Frame Fixings are supplied with screws and have the following specification:
  Size: 8 x 120mm
Maximum Fixture Thickness: 80mm
Pack Quantity: 16
The Rawlplug KKS-R Frame Fixings for fixing timber or metal window and door frames to concrete, stone, brick or blockwork.  Quick and easy-to-use, no marking out, drill straight through the frame.
  Anti-rotation lugs prevent rotation of fixing during tightening.
  Tough nylon sleeve prevents frame distortion during tightening.
  Available in a variety of sizes and pack quantities.