The industry-leading 2in diameter Wind-Devil2 is the most popular, technologically advanced EIFS mechanical fastening system on the market, made for application in any weather condition. These assembled fasteners and plates, with Wood/Lite Metal Screws (#7 x 1-5/8in Screw, 250/pk) allows for the attachment of PB-EIFS Insulation to a variety of substrates. Ideal for use with dimensional lumber, plywood-type sheathings and metal sidings (20-26 gauge).