1" W x 12' Not Mated (6' Mated). The fastener is a strong, self-engaging, multi-directional fastener and is easy to use. The ALFA-LOK quadri-lobal mushroom shape ensures a firm and reliable connection and is engaged, at any position, by pressing the two parts together. Stronger shear strength of 72 psi versus 3M Dual Lock. Includes directions, alcohol prep and adhesion promoter for LSE surfaces. ALFA-LOK fasteners have been developed for use in a wide range of applications from solar panels, signage and exhibition stands to fixing the interior of trains, cars and buses. General purpose, high performance double sided acrylic foam tape GPW11W. Suitable for most surfaces such as glass, aluminum (anodized, raw), steel (stainless, galvanized), Plywood/MDF, Formica (polished side), Cardboard, Painted Wallboard, Concrete, Stone, ABS, Polyester, Vinyl, Polyacrylic/PMMA and Polycarbonate.