3M™ Dual Lock™ SJ4570 Reclosable Fastener 3M™ 3M™ Dual Lock™ SJ4570 Reclosable Fastener is a high-performance reclosable fastening solution designed to replace screws, rivets and conventional adhesives in industrial applications. Featuring transparent polyolefin stems and a strong adhesive backing, it provides reliable holding strength, an audible snap closure and good resistance to vibration and moisture. Ideal for panel attachment, electronic component mounting, industrial signage and maintenance equipment. Learn more