VELCRO® Brand ALFA-LOK® Fasteners pack super strong holding power into mere inches of hook to hook engagement. Holds 1 kg per square inch up to 6.8kgs. VELCRO® Brand ALFA-LOK® Fasteners omnidirectional hook to hook fastener works like a charm even in extreme conditions. And because they are omnidirectional, you can easily mount cameras, lights, sensors, and solar-powered accessories indoors or out. No tools required. On a broad range of surfaces. Apply to a clean, dry surface, allow the adhesive to set and snap, you’re done. ALFA-LOK® Fasteners are strong enough for outdoor, vertical applications even in extreme temperatures. They will hold fast through rain, snow and sweltering heat while supporting up to 1kg per 25mm squared, not to exceed 6.8kg. The snap tells you it’s securely fastened. Available in squares and strips, ALFA-LOK® Fasteners will become the most sought after item in your tool kit.