3M 1″ Dual Locking Fastner, 15 Foot ReelCondition:* New Surplus Stock, No OEM Packaging. As Pictured.Additional Notes:* Quantity: 15 Foot Lomg Roll* Strong, interlocking mushroom-shaped heads connect with an audible “snap”* Adhesive sticks on contact to a variety of materials without special tools. Suitable for indoor and outdoor use* Lightweight and low profile; Fastener is hidden beneath the surface and does not interfere with the integrity of the design* Mix and match stem densities for the ideal closure strength3MRP22877