1. Name: Nylon Nail In Anchor 2. Drill dia.: 3/16", 1/4" 3. Material: white nylon 4. Head type: mushroom,cylinder, flate The NNylon ... drive anchor with a body formed from engineered plastic and drive nails available in carbon and stainless steel. The anchor can be used ... in concrete, block, brick or stone. The anchor is pre- ...