4Safe Logistic Cam Buckle Straps are ideal for carrying loads with the combination of installed A, E or F track. It is undoubtedly the perfect straps to secure your loads among the other interior van towing tools. These straps can be used with E-Track, F-Track, and D-Rings. There is a plate trailer hook and an e-fitting on each end. The dual fittings allow you to use these straps in many trailers.