Tough nylon sleeve prevents frame distortion during tightening.
Zigzag design ensures enhanced expansion. No marking out required, drill
straight through the frame. For fixing uPVC, timber and metal window
and door frames.

Features:

• Use on plasterwork, skirting boards, windows and door frames
• Quick and easy to install
• Zinc-plated
• Countersunk head
  
• Nylon PA6.6