3M™ Dual Lock™ Reclosable Fastener MP3560 is the translucent, convenient alternative to traditional fastening methods, such as screws, nuts or bolts. It is designed to deliver a durable, reclosable fastening solution (which can be opened and closed multiple times) that bonds to a variety of substrates including metals, glass and plastics such as acrylics, polycarbonate and ABS.