3M Dual Lock Reclosable Fasten MP3551/MP3552 is a versatile and durable reclosable fastening solution that offers a secure hold for a variety of applications. The patented mushroom-shaped stems interlock to provide a strong, yet easy-to-use closure that can be opened and closed multiple times without losing its gripping power. Ideal for use in electrical installations, this 3M Electrical Spec. part 7100276500 provides a reliable and convenient fastening solution for a wide range of projects.