CF for GRIPPERFIX (Tab Only)GRIPPERFIX simplifies utility attachment with patented, non penetrating S 5! clamp technology. Avoid damaging your roof. Choose a safe and cost effective rooftop attachment system that requires only the strut, S 5 clamps, and CF Tabs. Just slide the tabs into the strut and attach to the top of the clamp with stainless bolts. S 5! has made it easy and affordable. S5 Lifetime Warranty S 5! offers two main warranties: a Lifetime Product Defect Warranty,