The structural and functional advantages of B-Max 11 Left or Right End Caps are varied but all singular in their improved efficiency of the system. For instance, many k-style gutters have flat end caps and it looks choppy, however, since the end caps are stamped via mass production the hand made mitered end caps are much nicer to look at and much harder to come by, and all in all provide a better and seamless joint protection to the whole big picture roofing system.B-Max 11 Left or Right End Caps are a serialized component of the roofing whole. Although a miter is in and of itself and by its very nature an end piece, miter end caps give a finished end than has the same shape as the piece it connects to.