Nylon hammer drive anchor with screw Size:5X25-10X230 For fixing of solid bricks,concrete,perforated bricls,hollow blocks Nylon hammer drice anchor with two wingsThe fixings are manufactured from the same high grade and quality-monitored PP/PE which is also used for the frame fixings with general building inspectorate approval.The material is temperature resistant -40~+80°C.Preassembled for quick ...