Experience superior holding power with Fischer DuoPower expansion anchors. Featuring a two-component design, the grey nylon component automatically adapts to the building material, activating optimal function for the best hold. The red component's expansion wings provide added security. The 8x65mm size with a greater anchorage depth makes these plugs ideal for hollow materials, aerated concrete, and bridging plaster. Enjoy a secure installation with anti-rotation features and a narrow rim to prevent slipping. You'll feel the perfect installation with great feedback. Suitable for pre-positioned and push-through installation in all building materials. Package includes 2 packs of 50 anchors. Key Features: * Two-component design for optimal hold in various building materials * Automatic function activation based on material (expansion, folding, knotting) * Greater anchorage depth ideal for hollow materials and aerated concrete * Anti-rotation feature prevents turning during installation * Narrow plug rim prevents slippage * Easy-to-feel installation feedback * Suitable for wood and chipboard screws Product Summary: Fischer DuoPower 8x65mm expansion anchors, grey, made of high-quality nylon and plastic, offering excellent hold in concrete and other building materials. Ideal for DIY and security applications.