Item:nylon anchor with nail screw Color: white Material: white nylon Nail: BZP Drill dia.: 3/16", 1/4" Specifications:The Nylon Anchor is a nail 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-assembled with either a carbon steel or stainless steel nail. ...