No screws, adhesives, or metal pins required. Single solid plastic design eliminates thermal bridging. Simple installation: pre-drill with 5/16" masonry drill bit and hammer flush. Large 2-3/8" washer head securely attaches insulation. For 1" to 5" insulation thickness. TRUFAST PLASTI-GRIP PMF 2-in-1 Heavy duty masonry anchors and fasteners work well for various applications, including foam panels and rigid board insulation to concrete, brick, and stone with a rock-solid grip and no need for adhesive. For home and commercial use. The fasteners are easy to install: simply drill a 5/16" hole into the masonry substrate and hammer the anchor flush. No specialty tools, adhesives, or screws required, making it ideal for rapid, cost-effective installations. The large 2-3/8" diameter washer head securely holds insulation in place and features a textured surface, enhancing basecoat adhesion—perfect for EIFS (Exterior Insulation and Finish Systems). Featuring an innovative solid plastic design, it effectively minimizes thermal bridging by eliminating the need for metal pins, screws, or adhesives. This ensures improved insulation efficiency and energy performance. Trusted by professional contractors, architects, and insulation installers. Compatible with all rigid insulation types, including expanded polystyrene (EPS), extruded polystyrene (XPS), and mineral wool insulation. The robust, molded plastic shank and head resist cracking and withstand harsh weather conditions. Key Product Features: Solid plastic design eliminates thermal bridging. Simple installation: pre-drill with 5/16" masonry drill bit and hammer flush. Large 2-3/8" washer head width securely attaches insulation. No screws, adhesives, or pins required. Attaches insulation thicknesses from 1" to 5". Ideal for concrete, brick, block, stone, and masonry substrates.