With over 65-years track record in the electrical industry, GreenBrook is an established manufacturer of electrical installation products to a network of Wholesale Distributors and Contractors throughout the UK. Through product development, innovation and strategic acquisition GreenBrook has grown to meet the present and future needs of its customers. Now boasting an extensive range of innovative, solution-driven products and electrical accessories, GreenBrook consistently delivers a comprehensive and quality assured offering to customers. · · · Ideal for when installing cable into joists or double layered plasterboard · · Impact Resistant, UV-Stabalized Polypropylene · · Strong concrete screw, corrosion class C11 · · PH2 Screw Types · · High Quality and strong fixings for reliable mounting without breakages · · For 13mm single-layer plasterboard: mount using yellow plug (KP yellow) · · For wood, fibreboard and plywood:screw directly into material · · For aerated concrete: mount using yellow plug (KP Yellow). For densities above 600, screw directly into concrete